Vios
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Kernel-stack out-of-bounds write in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables a local attacker with low-privilege shell access to corrupt kernel memory by causing the kernel to parse a crafted filesystem image during directory reads. Successful exploitation can crash the system or escalate privileges to root, yielding full system compromise. No public exploit code has been identified and EPSS remains very low at 0.16% (6th percentile), though SSVC rates technical impact as total, reflecting the severity of a successful local privilege escalation on IBM Power infrastructure.
Local privilege escalation in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 allows an unprivileged local user to execute arbitrary payloads as root via the cmdnim utility. The CVSS vector (AV:L/AC:L/PR:L/S:C/C:H/I:H/A:H) confirms that any standard authenticated user account is sufficient to achieve full root-level code execution with no user interaction and no special configuration required. No public exploit has been identified at time of analysis, and this CVE is not currently listed in CISA KEV.
Stack memory corruption in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote denial of service by crashing the host kernel through a crafted IPsec ESP packet. The flaw (CWE-908: Use of Uninitialized Resource) resides in the ESP decapsulation handler, where uninitialized stack memory can be corrupted before proper validation, causing a system panic. No active exploitation is confirmed (absent from CISA KEV) and EPSS stands at 0.32%, but the PowerVM VIOS attack surface carries an amplified blast radius: a VIOS crash disrupts I/O services for all co-hosted logical partitions simultaneously.
Remote denial-of-service in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows an unauthenticated network attacker to crash affected systems by sending a crafted UDP packet to the RPC service. The attack requires no credentials or user interaction and results in complete system unavailability, demanding an LPAR restart to recover - a non-trivial operational impact for enterprise environments running critical POWER-based workloads. No public exploit code has been identified at time of analysis, but the trivially low attack complexity against a zero-authentication network service elevates practical risk.
Untrusted pointer dereference (CWE-822) in IBM AIX's Virtual SCSI (vSCSI) initiator driver allows a low-privileged local user within a client LPAR to trigger kernel memory corruption, with outcomes spanning denial of service, privilege escalation, or full compromise of the client LPAR kernel. Affecting IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1, the CVSS 3.1 score of 8.8 with scope change (S:C) reflects the cross-LPAR isolation risk inherent in PowerVM virtualization environments where VIOS mediates I/O for multiple tenants. No public exploit code or active exploitation has been identified at time of analysis; however, CISA's SSVC framework rates the technical impact as total, meaning successful exploitation fully undermines the security of the affected system.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger to run arbitrary code with high confidentiality, integrity, and availability impact. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes network-reachable, unauthenticated exploitation, and IBM PSIRT has published a support advisory. There is no public exploit identified at time of analysis, EPSS is modest (0.61%, 47th percentile), and CISA SSVC rates exploitation as 'none' with technical impact 'total'.
Local privilege escalation in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows a low-privileged local attacker to gain elevated privileges by exploiting an out-of-bounds write (CWE-787) memory corruption flaw. The vulnerability affects IBM's enterprise Unix operating system and its virtualization platform, with full confidentiality, integrity, and availability impact confirmed by the CVSS vector. No public exploit code or active exploitation has been identified at time of analysis, and EPSS rates the exploitation probability at just 0.17% (6th percentile), consistent with the SSVC assessment of exploitation status as none.
Arbitrary code execution on IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a CWE-822 untrusted pointer dereference, where a locally authenticated, low-privilege attacker can supply a crafted pointer value that the OS or VIOS component fails to validate before dereferencing. Successful exploitation yields full confidentiality, integrity, and availability compromise of the affected system (CVSS 7.8 High, C:H/I:H/A:H). No public exploit or CISA KEV listing exists at time of analysis; SSVC rates exploitation status as none and the attack as non-automatable.
OS command injection in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 lets a remote, low-privileged authenticated attacker run arbitrary operating-system commands due to improper neutralization of special elements (CWE-78). IBM PSIRT rates it CVSS 9.9 with a scope change, reflecting that an authenticated foothold can be escalated into full host compromise across the confidentiality, integrity, and availability dimensions. No public exploit identified at time of analysis and it is not listed in CISA KEV, so the current threat is potential rather than confirmed in-the-wild activity.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a heap-based buffer overflow (CWE-787) that a remote attacker can trigger without authentication or user interaction, per the CVSS 9.8 vector. Successful exploitation yields full compromise of the affected Unix host or virtualization I/O server. There is no public exploit identified at time of analysis, and the EPSS probability is low (0.41%, 35th percentile), with CISA SSVC recording no observed exploitation.
Stack-based buffer overflow in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows remote unauthenticated attackers to crash affected systems, producing a denial of service. The CVSS 3.1 vector scores this at 7.5 High with no authentication or user interaction required, targeting availability exclusively. No active exploitation is confirmed by CISA KEV, and the EPSS score of 0.29% (21st percentile) indicates low real-world exploitation probability at time of analysis.
OS command injection in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 enables remote attackers holding low-privilege credentials to execute arbitrary OS commands on affected systems. The CWE-78 root cause - improper neutralization of shell-special characters before they reach an OS command - means a valid but unprivileged account is sufficient to achieve full confidentiality, integrity, and availability compromise. No public exploit code or active exploitation has been identified at time of analysis, though the SSVC framework rates the technical impact as total.
Information disclosure and denial of service in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stem from an out-of-bounds read (CWE-125) reachable over the network, letting a remote attacker read sensitive memory contents or crash the affected service. The vulnerability carries a CVSS 9.1 rating driven by high confidentiality and availability impact, though EPSS places exploitation probability very low (0.19%, 10th percentile) and CISA's SSVC framework records no known exploitation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Remote denial-of-service and potential information disclosure in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 arises from an integer underflow (CWE-190 class) reachable over the network without authentication. An unauthenticated remote attacker can send crafted input that triggers the arithmetic wraparound, crashing an affected service and possibly reading sensitive memory contents. There is no public exploit identified at time of analysis, EPSS is low (0.51%, 41st percentile), and it is not on CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 stems from a heap-based buffer overflow (CWE-787) that a remote attacker can trigger over the network without authentication or user interaction. Per its CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) the flaw is critical (9.8) with total confidentiality, integrity, and availability impact, though the description does not name the specific network service or daemon that parses the malformed input. There is no public exploit identified at time of analysis, and EPSS is low (0.41%, 35th percentile), consistent with CISA SSVC scoring exploitation as 'none'.
Stack buffer overflow in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote unauthenticated denial of service via network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no authentication is required and exploitation is low-complexity, making the availability impact (A:H) readily achievable by any network-reachable attacker. No public exploit code or CISA KEV listing has been identified at time of analysis, but the absence of authentication and complexity barriers makes this a meaningful operational risk for IBM Power environments where availability is typically mission-critical.
Out-of-bounds read in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 exposes sensitive memory contents and enables denial of service against affected systems. The flaw is reachable by remote attackers according to the vendor description, enabling both unauthorized information disclosure and availability disruption without authentication. No public exploit code or active exploitation has been identified at time of analysis, though the high CVSS score and dual-impact (C:H, A:H) profile elevate priority for affected IBM UNIX and virtualization environments.
Local privilege escalation via buffer overflow in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows an attacker with low-privileged local access to execute arbitrary code with a changed scope, meaning impact can extend beyond the vulnerable component - particularly significant in VIOS hypervisor environments where guest-to-host or cross-partition compromise may be achievable. The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:C) reflects low-friction exploitation once local access is established, with full confidentiality, integrity, and availability impact. No public exploit is identified at time of analysis and EPSS is very low at 0.18% (8th percentile), but SSVC rates technical impact as total, warranting prioritization in Power Systems environments.
Symlink following in IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 allows a local low-privileged attacker to overwrite arbitrary files on the system, including those owned by root. The flaw stems from improper resolution of symbolic links (CWE-59) during privileged file operations, enabling integrity and availability impacts equivalent to a high-severity local privilege escalation primitive. No public exploit identified at time of analysis and it does not appear in the CISA KEV catalog, but the CVSS 7.8 High rating reflects the significant impact of arbitrary file overwrite on a privileged OS.
Denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is reachable by unauthenticated remote attackers through improper validation of an allocation size, crashing the affected system or service without any user interaction. The vulnerability carries a CVSS 7.5 High score driven entirely by a complete availability impact against a network-accessible, zero-prerequisite attack path. No public exploit code and no CISA KEV listing have been identified at time of analysis.
Remote code execution is possible in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 via a stack-based buffer overflow exploitable by a remote attacker holding low-privilege credentials. The CVSS 8.8 score reflects full confidentiality, integrity, and availability impact with a network attack vector and no user interaction required beyond authentication. No public exploit code and no CISA KEV listing have been identified at time of analysis; EPSS of 0.56% (44th percentile) indicates limited current exploitation activity despite high potential impact.
Remote denial of service in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 is achievable by an unauthenticated attacker via a NULL pointer dereference (CWE-476) in a network-accessible component, yielding full availability loss against affected systems. The vulnerability carries a CVSS 7.5 High score with no confidentiality or integrity exposure. No public exploit code or CISA KEV listing has been identified at time of analysis.
Denial of service in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker to crash affected systems by supplying a crafted request that exploits improper validation of an array size field. The CVSS 7.5 (High) score reflects a fully network-exploitable, zero-complexity, no-privilege-required attack path targeting availability exclusively. No public exploit code and no CISA KEV listing have been identified at time of analysis, suggesting this has not yet been weaponized at scale.
Remote code execution in IBM AIX 7.2 and 7.3, and in IBM PowerVM VIOS 4.1, arises from an integer overflow (CWE-190) during a size computation that a remote attacker can trigger to run arbitrary code. The CVSS 9.8 vector indicates network-reachable, unauthenticated exploitation with no user interaction, giving full confidentiality, integrity, and availability impact. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but the maximal CVSS and RCE nature make this a top-priority patch for affected Power/AIX estates.
Remote denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is achievable by unauthenticated remote attackers via an integer overflow (CWE-190) in a network-reachable component. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates exploitation requires no authentication and no special configuration, making all internet- or network-exposed instances directly at risk. No public exploit code has been identified at time of analysis, and the vulnerability has not been added to the CISA KEV catalog.
Remote code execution in IBM AIX 7.2 and 7.3 (and IBM PowerVM VIOS 4.1) stems from a stack-based buffer overflow that lets a remote attacker overwrite memory and run arbitrary code on the host. IBM PSIRT rated it CVSS 9.8, and the vector indicates network-reachable, unauthenticated exploitation requiring no user interaction. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the combination of unauthenticated RCE on an enterprise Unix platform makes it a high-priority patch.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger to run arbitrary code on affected IBM Power-based Unix systems. The flaw was reported by IBM's own PSIRT and carries a CVSS 9.8 rating reflecting network-reachable, unauthenticated, no-interaction exploitation with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the severity and privileged role of these platforms make it a high-priority patching item.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from improper privilege management (CWE-269), letting a remote attacker run arbitrary code on affected Power systems per IBM PSIRT. The 9.8 CVSS score reflects a network-reachable, low-complexity vector with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the IBM support advisory indicates a fix is available.
Improper authentication in IBM AIX 7.2 and 7.3, and in IBM PowerVM VIOS 4.1, allows a remote attacker to execute arbitrary commands on affected systems. The flaw carries a critical CVSS 9.8 rating (network-reachable, no privileges or user interaction) and, per IBM's own PSIRT advisory, an authentication bypass can lead to full command execution. No public exploit has been identified at time of analysis, and the CVE is not listed in CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger without authentication or user interaction, yielding full compromise of the affected system. IBM PSIRT rates it CVSS 9.8, reflecting complete confidentiality, integrity, and availability loss. No public exploit identified at time of analysis, and it is not listed in CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 arises from a stack-based buffer overflow (CWE-121) that a remote attacker can trigger without authentication or user interaction, yielding total compromise of these Power-based enterprise Unix and virtualization-management systems. The CVSS 9.8 rating reflects a fully remote, low-complexity path to arbitrary code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not on CISA KEV; EPSS is low (0.61%, 47th percentile), indicating no observed widespread exploitation yet despite the critical severity.
Remote code execution in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 arises from a format string weakness (CWE-134) that a remote, unauthenticated attacker can leverage to run arbitrary code, per the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) scoring 9.8 critical. IBM PSIRT is the reporting source and a single vendor support advisory is referenced; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV. The affected component or listening service is not named in the available data, so the exact remote entry point is unconfirmed.
Local arbitrary code execution in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, stems from an out-of-bounds read (CWE-125) exploitable by a low-privileged local user with no user interaction required. A successful attacker achieves full confidentiality, integrity, and availability compromise of the affected system, as reflected in the CVSS 3.1 score of 7.8 (High) with AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. No public exploit code or active exploitation has been identified at time of analysis, though the low attack complexity makes this a credible local privilege escalation path on POWER-architecture infrastructure.
Remote code execution in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, stems from a stack-based buffer overflow (CWE-787) that a remote attacker can trigger to run arbitrary code with no authentication or user interaction, per the CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:N) scoring 9.8 Critical. IBM PSIRT is the reporting source. There is no public exploit identified at time of analysis and the flaw is not listed in CISA KEV, but the unauthenticated network-facing nature makes it a high-priority patching target for AIX and VIOS operators.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 lets an unauthenticated network attacker run arbitrary code by supplying malicious pointers that the OS fails to validate (CWE-843 type confusion). The flaw carries a critical CVSS 9.8 and was disclosed by IBM PSIRT with no user interaction required, but there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Because AIX/VIOS underpins production IBM Power server estates, a working exploit would give attackers full compromise of the affected operating system.
Remote code execution in IBM AIX 7.2 and 7.3, and in the IBM PowerVM VIOS 4.1 virtualization stack, stems from an integer overflow (CWE-190) that a network-based attacker can trigger without authentication or user interaction. The CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N) reflects unauthenticated remote exploitation with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis, and the CVE is not listed in CISA KEV; no EPSS score was supplied in the input.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 stems from a stack-based buffer overflow that a remote attacker can trigger without authentication, per IBM PSIRT (CVE-2026-16913). With a CVSS 3.1 base of 9.8 (AV:N/AC:L/PR:N/UI:N) and full CIA impact, successful exploitation yields arbitrary code execution on the affected UNIX operating system or virtualization I/O server. No public exploit has been identified at time of analysis and the CVE is not listed in CISA KEV, but the network-reachable, unauthenticated profile makes this a high-priority patch.
Stack-based buffer overflow in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1 allows remote authenticated attackers to execute arbitrary code on affected systems. The flaw (CWE-121) is reachable over the network with low attack complexity and requires only low-privilege credentials, yielding complete confidentiality, integrity, and availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis, but the 8.8 CVSS score and confirmed RCE potential make patching urgent for organizations running IBM POWER infrastructure.
Remote code execution in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 is enabled by an off-by-one wrap-around error in bounds checking, reachable from an adjacent network without authentication. An attacker positioned on the same network segment can trigger the flaw to achieve full compromise of the affected system - confidentiality, integrity, and availability are all rated High. No public exploit or CISA KEV listing has been identified at time of analysis, but the combination of no-auth adjacency and RCE impact makes this a high-priority patch target in any environment running these IBM platforms.
Out-of-bounds write in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 lets an unauthenticated adjacent-network attacker corrupt memory to achieve arbitrary code execution or crash the affected service (denial of service). The CVSS 3.1 base score is 9.6 (Critical) with a changed scope, reflecting potential impact beyond the vulnerable component on IBM Power hardware. No public exploit identified at time of analysis, and the flaw is not listed in CISA KEV; EPSS data was not provided.
Out-of-bounds write in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 enables an unauthenticated attacker positioned on an adjacent network segment to execute arbitrary code with full confidentiality, integrity, and availability impact. The CWE-787 class flaw requires no privileges and no user interaction, lowering the exploitation bar substantially once network adjacency is achieved. No public exploit code or CISA KEV listing has been identified at time of analysis, but the combination of zero-prerequisite exploitation and complete system compromise warrants urgent patching in affected enterprise environments.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a stack-based buffer overflow that a network-based attacker can trigger without authentication or user interaction, per the CVSS 9.8 vector. Successful exploitation yields full compromise (high confidentiality, integrity, and availability impact) of Unix systems that frequently underpin enterprise and mission-critical workloads. No public exploit identified at time of analysis, and the CVE is not currently listed in CISA KEV.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Multiple unspecified vulnerabilities in the InfiniBand subsystem in IBM AIX 6.1 and 7.1, and VIOS 2.2.2.2-FP-26 SP-02, allow local users to gain privileges via vectors involving (1) arp.ib or (2). Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Uncontrolled resource consumption in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows a local high-privileged attacker to cause a denial of service by supplying crafted directory records to the vulnerable parsing component. The CVSS vector (AV:L/PR:H) confirms that exploitation is constrained to authenticated local actors with elevated privileges, limiting the realistic threat pool considerably. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA Known Exploited Vulnerabilities catalog.
Path traversal in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote, unauthenticated attackers to bypass directory-based access controls by supplying manipulated pathname inputs that escape restricted filesystem boundaries. The vulnerability carries a CVSS 3.1 score of 4.8 (Medium) with high attack complexity (AC:H), which constrains opportunistic exploitation while still leaving targeted attacks viable without requiring credentials. No public exploit code or active exploitation has been identified at time of analysis; IBM has published an advisory at their support portal (https://www.ibm.com/support/pages/node/7283858).
Out-of-bounds write in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables a local, low-privileged attacker to crash the affected system, resulting in a denial of service. The CVSS scope-change metric (S:C) is particularly significant in the PowerVM context: a crash of the VIOS host can simultaneously disrupt I/O services for all co-hosted guest logical partitions (LPARs) sharing that VIOS, amplifying the blast radius well beyond the directly exploited node. No public exploit code and no confirmed active exploitation have been identified at time of analysis.
Out-of-bounds write in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 enables a local, high-privileged attacker to execute arbitrary code. The vulnerability is rooted in a memory corruption flaw (CWE-787) that can corrupt adjacent memory regions during a write operation. No active exploitation has been confirmed by CISA KEV, and no public exploit code has been identified at time of analysis.
Local denial-of-service in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1 allows a high-privileged local attacker to crash the system via an out-of-bounds write condition. The attack is constrained to local access with elevated privileges (PR:H per CVSS), limiting the practical blast radius primarily to insider threats or post-compromise scenarios. No public exploit code and no CISA KEV listing have been identified at time of analysis, placing this in a lower-urgency triage category despite the severity of the availability impact.
Out-of-bounds memory read in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows a local authenticated attacker to disclose sensitive information from adjacent memory regions. The flaw is constrained entirely to local access with low privileges, yielding a CVSS score of 3.3 (Low), and poses greatest risk in shared or multi-tenant Power Systems environments where untrusted users hold shell access. No public exploit code or active exploitation has been identified at time of analysis.
Integer overflow in IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 allows a local attacker with limited privileges to extract sensitive information or trigger a denial of service under specific high-complexity conditions. Rooted in CWE-190 (Integer Overflow or Wraparound), the vulnerability carries a CVSS 3.1 base score of 3.6 (Low), reflecting the mandatory local access requirement and elevated attack complexity. No public exploit code or active exploitation has been identified at the time of analysis.
Denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is achievable by an unauthenticated adjacent-network attacker exploiting an out-of-bounds write (CWE-787) in a network-accessible component. Successful exploitation crashes or degrades the target system without impacting confidentiality or data integrity. No public exploit code or CISA KEV listing has been identified at time of analysis.
A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated <nextCatalog> elements pointing to the same downstream catalog. [CVSS 2.9 LOW]
libxml2's xmlCatalogXMLResolveURI function is vulnerable to uncontrolled recursion when processing self-referencing delegate URI entries in XML catalogs, allowing remote attackers to trigger stack exhaustion and crash applications. This configuration-dependent denial of service requires specially crafted XML input but no authentication, affecting any application using the vulnerable library to parse untrusted catalogs. No patch is currently available.
A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. [CVSS 3.7 LOW]
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to execute arbitrary commands due to improper process controls. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 NIM server (formerly known as NIM master) service (nimesis) could allow a remote attacker to execute arbitrary commands due to improper process. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 NIM server (formerly known as NIM master) service (nimesis) could allow a remote attacker to traverse directories on the system. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 stores NIM private keys used in NIM environments in an insecure way which is susceptible to unauthorized access by an attacker using man in the middle. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Use-after-free memory corruption in X.Org X server's Xkb extension allows local authenticated attackers to achieve high confidentiality impact, low integrity impact, and high availability impact (CVSS 7.3) through improper resource cleanup during client disconnection. The vulnerability affects Red Hat Enterprise Linux distributions with multiple security advisories released (RHSA-2025:19432 through RHSA-2025:22055). EPSS data not provided, but the local attack vector (AV:L) and low complexity (AC:L) indicate exploitation requires authenticated local access. No CISA KEV listing or public POC identified at time of analysis.
Local privilege escalation in X.Org X server's Xkb extension affects RHEL-family distributions, allowing authenticated users to corrupt memory or crash the X server via integer overflow in XkbSetCompatMap(). Attack requires local access with low-privilege credentials. EPSS data not available; no CISA KEV listing indicates targeted rather than widespread exploitation. Red Hat has released patches across multiple RHEL versions (RHSA-2025:19432 through RHSA-2025:22055).
IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. No vendor patch available.
A vulnerability was found in libxml2 up to 2.14.5. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.
Local privilege escalation vulnerability in IBM AIX 7.3 and IBM VIOS 4.1.1's Perl implementation that allows non-privileged local users to execute arbitrary code through improper pathname neutralization (path traversal). With a CVSS score of 8.4 and no authentication requirement, this represents a critical risk for AIX environments where local user access exists. The vulnerability's active exploitation status and proof-of-concept availability would significantly elevate real-world risk.
IBM AIX 7.2, 7.3, VIOS 3.1, and 4.1 could allow a non-privileged local user to exploit a vulnerability in the TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, VIOS 3.1, and 4.1 could allow a non-privileged local user to exploit a vulnerability in the AIX perfstat kernel extension to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3 and VIOS 3.1 and 4.1 could allow a local user to execute arbitrary commands on the system due to improper neutralization of input. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX could 7.2, 7.3, VIOS 3.1, and VIOS 4.1 allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX's Unix domain (AIX 7.2, 7.3, VIOS 3.1, and VIOS 4.1) datagram socket implementation could potentially expose applications using Unix domain datagram sockets with SO_PEERID operation and may. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.3, VIOS 4.1's Perl implementation could allow a non-privileged local user to exploit a vulnerability to execute arbitrary commands. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the kernel to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the pmsvcs kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the NFS kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in AIX windows to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a privileged local user to exploit a vulnerability in the qdaemon command to escalate privileges or cause a denial of service. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the piobe command to escalate privileges or cause a denial of service. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the piodmgrsu command to obtain elevated privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX's 7.3 Python implementation could allow a non-privileged local user to exploit a vulnerability to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, VIOS 3.1's OpenSSH implementation could allow a non-privileged local user to access files outside of those allowed due to improper access controls. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX runtime services library to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX pfcdd kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX perfstat kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the rm_rlcache_file command to obtain root privileges. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX SMB client to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX NFS kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in CAA to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
Kernel-stack out-of-bounds write in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables a local attacker with low-privilege shell access to corrupt kernel memory by causing the kernel to parse a crafted filesystem image during directory reads. Successful exploitation can crash the system or escalate privileges to root, yielding full system compromise. No public exploit code has been identified and EPSS remains very low at 0.16% (6th percentile), though SSVC rates technical impact as total, reflecting the severity of a successful local privilege escalation on IBM Power infrastructure.
Local privilege escalation in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 allows an unprivileged local user to execute arbitrary payloads as root via the cmdnim utility. The CVSS vector (AV:L/AC:L/PR:L/S:C/C:H/I:H/A:H) confirms that any standard authenticated user account is sufficient to achieve full root-level code execution with no user interaction and no special configuration required. No public exploit has been identified at time of analysis, and this CVE is not currently listed in CISA KEV.
Stack memory corruption in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote denial of service by crashing the host kernel through a crafted IPsec ESP packet. The flaw (CWE-908: Use of Uninitialized Resource) resides in the ESP decapsulation handler, where uninitialized stack memory can be corrupted before proper validation, causing a system panic. No active exploitation is confirmed (absent from CISA KEV) and EPSS stands at 0.32%, but the PowerVM VIOS attack surface carries an amplified blast radius: a VIOS crash disrupts I/O services for all co-hosted logical partitions simultaneously.
Remote denial-of-service in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows an unauthenticated network attacker to crash affected systems by sending a crafted UDP packet to the RPC service. The attack requires no credentials or user interaction and results in complete system unavailability, demanding an LPAR restart to recover - a non-trivial operational impact for enterprise environments running critical POWER-based workloads. No public exploit code has been identified at time of analysis, but the trivially low attack complexity against a zero-authentication network service elevates practical risk.
Untrusted pointer dereference (CWE-822) in IBM AIX's Virtual SCSI (vSCSI) initiator driver allows a low-privileged local user within a client LPAR to trigger kernel memory corruption, with outcomes spanning denial of service, privilege escalation, or full compromise of the client LPAR kernel. Affecting IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1, the CVSS 3.1 score of 8.8 with scope change (S:C) reflects the cross-LPAR isolation risk inherent in PowerVM virtualization environments where VIOS mediates I/O for multiple tenants. No public exploit code or active exploitation has been identified at time of analysis; however, CISA's SSVC framework rates the technical impact as total, meaning successful exploitation fully undermines the security of the affected system.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger to run arbitrary code with high confidentiality, integrity, and availability impact. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes network-reachable, unauthenticated exploitation, and IBM PSIRT has published a support advisory. There is no public exploit identified at time of analysis, EPSS is modest (0.61%, 47th percentile), and CISA SSVC rates exploitation as 'none' with technical impact 'total'.
Local privilege escalation in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows a low-privileged local attacker to gain elevated privileges by exploiting an out-of-bounds write (CWE-787) memory corruption flaw. The vulnerability affects IBM's enterprise Unix operating system and its virtualization platform, with full confidentiality, integrity, and availability impact confirmed by the CVSS vector. No public exploit code or active exploitation has been identified at time of analysis, and EPSS rates the exploitation probability at just 0.17% (6th percentile), consistent with the SSVC assessment of exploitation status as none.
Arbitrary code execution on IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a CWE-822 untrusted pointer dereference, where a locally authenticated, low-privilege attacker can supply a crafted pointer value that the OS or VIOS component fails to validate before dereferencing. Successful exploitation yields full confidentiality, integrity, and availability compromise of the affected system (CVSS 7.8 High, C:H/I:H/A:H). No public exploit or CISA KEV listing exists at time of analysis; SSVC rates exploitation status as none and the attack as non-automatable.
OS command injection in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 lets a remote, low-privileged authenticated attacker run arbitrary operating-system commands due to improper neutralization of special elements (CWE-78). IBM PSIRT rates it CVSS 9.9 with a scope change, reflecting that an authenticated foothold can be escalated into full host compromise across the confidentiality, integrity, and availability dimensions. No public exploit identified at time of analysis and it is not listed in CISA KEV, so the current threat is potential rather than confirmed in-the-wild activity.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a heap-based buffer overflow (CWE-787) that a remote attacker can trigger without authentication or user interaction, per the CVSS 9.8 vector. Successful exploitation yields full compromise of the affected Unix host or virtualization I/O server. There is no public exploit identified at time of analysis, and the EPSS probability is low (0.41%, 35th percentile), with CISA SSVC recording no observed exploitation.
Stack-based buffer overflow in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows remote unauthenticated attackers to crash affected systems, producing a denial of service. The CVSS 3.1 vector scores this at 7.5 High with no authentication or user interaction required, targeting availability exclusively. No active exploitation is confirmed by CISA KEV, and the EPSS score of 0.29% (21st percentile) indicates low real-world exploitation probability at time of analysis.
OS command injection in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 enables remote attackers holding low-privilege credentials to execute arbitrary OS commands on affected systems. The CWE-78 root cause - improper neutralization of shell-special characters before they reach an OS command - means a valid but unprivileged account is sufficient to achieve full confidentiality, integrity, and availability compromise. No public exploit code or active exploitation has been identified at time of analysis, though the SSVC framework rates the technical impact as total.
Information disclosure and denial of service in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stem from an out-of-bounds read (CWE-125) reachable over the network, letting a remote attacker read sensitive memory contents or crash the affected service. The vulnerability carries a CVSS 9.1 rating driven by high confidentiality and availability impact, though EPSS places exploitation probability very low (0.19%, 10th percentile) and CISA's SSVC framework records no known exploitation. There is no public exploit identified at time of analysis and it is not listed in CISA KEV.
Remote denial-of-service and potential information disclosure in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 arises from an integer underflow (CWE-190 class) reachable over the network without authentication. An unauthenticated remote attacker can send crafted input that triggers the arithmetic wraparound, crashing an affected service and possibly reading sensitive memory contents. There is no public exploit identified at time of analysis, EPSS is low (0.51%, 41st percentile), and it is not on CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 stems from a heap-based buffer overflow (CWE-787) that a remote attacker can trigger over the network without authentication or user interaction. Per its CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) the flaw is critical (9.8) with total confidentiality, integrity, and availability impact, though the description does not name the specific network service or daemon that parses the malformed input. There is no public exploit identified at time of analysis, and EPSS is low (0.41%, 35th percentile), consistent with CISA SSVC scoring exploitation as 'none'.
Stack buffer overflow in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote unauthenticated denial of service via network. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms no authentication is required and exploitation is low-complexity, making the availability impact (A:H) readily achievable by any network-reachable attacker. No public exploit code or CISA KEV listing has been identified at time of analysis, but the absence of authentication and complexity barriers makes this a meaningful operational risk for IBM Power environments where availability is typically mission-critical.
Out-of-bounds read in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 exposes sensitive memory contents and enables denial of service against affected systems. The flaw is reachable by remote attackers according to the vendor description, enabling both unauthorized information disclosure and availability disruption without authentication. No public exploit code or active exploitation has been identified at time of analysis, though the high CVSS score and dual-impact (C:H, A:H) profile elevate priority for affected IBM UNIX and virtualization environments.
Local privilege escalation via buffer overflow in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 allows an attacker with low-privileged local access to execute arbitrary code with a changed scope, meaning impact can extend beyond the vulnerable component - particularly significant in VIOS hypervisor environments where guest-to-host or cross-partition compromise may be achievable. The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:C) reflects low-friction exploitation once local access is established, with full confidentiality, integrity, and availability impact. No public exploit is identified at time of analysis and EPSS is very low at 0.18% (8th percentile), but SSVC rates technical impact as total, warranting prioritization in Power Systems environments.
Symlink following in IBM AIX 7.2, 7.3 and IBM PowerVM VIOS 4.1 allows a local low-privileged attacker to overwrite arbitrary files on the system, including those owned by root. The flaw stems from improper resolution of symbolic links (CWE-59) during privileged file operations, enabling integrity and availability impacts equivalent to a high-severity local privilege escalation primitive. No public exploit identified at time of analysis and it does not appear in the CISA KEV catalog, but the CVSS 7.8 High rating reflects the significant impact of arbitrary file overwrite on a privileged OS.
Denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is reachable by unauthenticated remote attackers through improper validation of an allocation size, crashing the affected system or service without any user interaction. The vulnerability carries a CVSS 7.5 High score driven entirely by a complete availability impact against a network-accessible, zero-prerequisite attack path. No public exploit code and no CISA KEV listing have been identified at time of analysis.
Remote code execution is possible in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 via a stack-based buffer overflow exploitable by a remote attacker holding low-privilege credentials. The CVSS 8.8 score reflects full confidentiality, integrity, and availability impact with a network attack vector and no user interaction required beyond authentication. No public exploit code and no CISA KEV listing have been identified at time of analysis; EPSS of 0.56% (44th percentile) indicates limited current exploitation activity despite high potential impact.
Remote denial of service in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 is achievable by an unauthenticated attacker via a NULL pointer dereference (CWE-476) in a network-accessible component, yielding full availability loss against affected systems. The vulnerability carries a CVSS 7.5 High score with no confidentiality or integrity exposure. No public exploit code or CISA KEV listing has been identified at time of analysis.
Denial of service in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 allows a remote unauthenticated attacker to crash affected systems by supplying a crafted request that exploits improper validation of an array size field. The CVSS 7.5 (High) score reflects a fully network-exploitable, zero-complexity, no-privilege-required attack path targeting availability exclusively. No public exploit code and no CISA KEV listing have been identified at time of analysis, suggesting this has not yet been weaponized at scale.
Remote code execution in IBM AIX 7.2 and 7.3, and in IBM PowerVM VIOS 4.1, arises from an integer overflow (CWE-190) during a size computation that a remote attacker can trigger to run arbitrary code. The CVSS 9.8 vector indicates network-reachable, unauthenticated exploitation with no user interaction, giving full confidentiality, integrity, and availability impact. No public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but the maximal CVSS and RCE nature make this a top-priority patch for affected Power/AIX estates.
Remote denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is achievable by unauthenticated remote attackers via an integer overflow (CWE-190) in a network-reachable component. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates exploitation requires no authentication and no special configuration, making all internet- or network-exposed instances directly at risk. No public exploit code has been identified at time of analysis, and the vulnerability has not been added to the CISA KEV catalog.
Remote code execution in IBM AIX 7.2 and 7.3 (and IBM PowerVM VIOS 4.1) stems from a stack-based buffer overflow that lets a remote attacker overwrite memory and run arbitrary code on the host. IBM PSIRT rated it CVSS 9.8, and the vector indicates network-reachable, unauthenticated exploitation requiring no user interaction. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the combination of unauthenticated RCE on an enterprise Unix platform makes it a high-priority patch.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger to run arbitrary code on affected IBM Power-based Unix systems. The flaw was reported by IBM's own PSIRT and carries a CVSS 9.8 rating reflecting network-reachable, unauthenticated, no-interaction exploitation with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the severity and privileged role of these platforms make it a high-priority patching item.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from improper privilege management (CWE-269), letting a remote attacker run arbitrary code on affected Power systems per IBM PSIRT. The 9.8 CVSS score reflects a network-reachable, low-complexity vector with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not listed in CISA KEV, but the IBM support advisory indicates a fix is available.
Improper authentication in IBM AIX 7.2 and 7.3, and in IBM PowerVM VIOS 4.1, allows a remote attacker to execute arbitrary commands on affected systems. The flaw carries a critical CVSS 9.8 rating (network-reachable, no privileges or user interaction) and, per IBM's own PSIRT advisory, an authentication bypass can lead to full command execution. No public exploit has been identified at time of analysis, and the CVE is not listed in CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a buffer overflow (out-of-bounds write) that a remote attacker can trigger without authentication or user interaction, yielding full compromise of the affected system. IBM PSIRT rates it CVSS 9.8, reflecting complete confidentiality, integrity, and availability loss. No public exploit identified at time of analysis, and it is not listed in CISA KEV.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 arises from a stack-based buffer overflow (CWE-121) that a remote attacker can trigger without authentication or user interaction, yielding total compromise of these Power-based enterprise Unix and virtualization-management systems. The CVSS 9.8 rating reflects a fully remote, low-complexity path to arbitrary code execution with high confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis and it is not on CISA KEV; EPSS is low (0.61%, 47th percentile), indicating no observed widespread exploitation yet despite the critical severity.
Remote code execution in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 arises from a format string weakness (CWE-134) that a remote, unauthenticated attacker can leverage to run arbitrary code, per the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) scoring 9.8 critical. IBM PSIRT is the reporting source and a single vendor support advisory is referenced; there is no public exploit identified at time of analysis and the CVE is not listed in CISA KEV. The affected component or listening service is not named in the available data, so the exact remote entry point is unconfirmed.
Local arbitrary code execution in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, stems from an out-of-bounds read (CWE-125) exploitable by a low-privileged local user with no user interaction required. A successful attacker achieves full confidentiality, integrity, and availability compromise of the affected system, as reflected in the CVSS 3.1 score of 7.8 (High) with AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. No public exploit code or active exploitation has been identified at time of analysis, though the low attack complexity makes this a credible local privilege escalation path on POWER-architecture infrastructure.
Remote code execution in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1, stems from a stack-based buffer overflow (CWE-787) that a remote attacker can trigger to run arbitrary code with no authentication or user interaction, per the CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:N) scoring 9.8 Critical. IBM PSIRT is the reporting source. There is no public exploit identified at time of analysis and the flaw is not listed in CISA KEV, but the unauthenticated network-facing nature makes it a high-priority patching target for AIX and VIOS operators.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 lets an unauthenticated network attacker run arbitrary code by supplying malicious pointers that the OS fails to validate (CWE-843 type confusion). The flaw carries a critical CVSS 9.8 and was disclosed by IBM PSIRT with no user interaction required, but there is no public exploit identified at time of analysis and it is not listed in CISA KEV. Because AIX/VIOS underpins production IBM Power server estates, a working exploit would give attackers full compromise of the affected operating system.
Remote code execution in IBM AIX 7.2 and 7.3, and in the IBM PowerVM VIOS 4.1 virtualization stack, stems from an integer overflow (CWE-190) that a network-based attacker can trigger without authentication or user interaction. The CVSS 3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N) reflects unauthenticated remote exploitation with full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis, and the CVE is not listed in CISA KEV; no EPSS score was supplied in the input.
Remote code execution in IBM AIX 7.2/7.3 and IBM PowerVM VIOS 4.1 stems from a stack-based buffer overflow that a remote attacker can trigger without authentication, per IBM PSIRT (CVE-2026-16913). With a CVSS 3.1 base of 9.8 (AV:N/AC:L/PR:N/UI:N) and full CIA impact, successful exploitation yields arbitrary code execution on the affected UNIX operating system or virtualization I/O server. No public exploit has been identified at time of analysis and the CVE is not listed in CISA KEV, but the network-reachable, unauthenticated profile makes this a high-priority patch.
Stack-based buffer overflow in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1 allows remote authenticated attackers to execute arbitrary code on affected systems. The flaw (CWE-121) is reachable over the network with low attack complexity and requires only low-privilege credentials, yielding complete confidentiality, integrity, and availability impact. No public exploit code or CISA KEV listing has been identified at time of analysis, but the 8.8 CVSS score and confirmed RCE potential make patching urgent for organizations running IBM POWER infrastructure.
Remote code execution in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 is enabled by an off-by-one wrap-around error in bounds checking, reachable from an adjacent network without authentication. An attacker positioned on the same network segment can trigger the flaw to achieve full compromise of the affected system - confidentiality, integrity, and availability are all rated High. No public exploit or CISA KEV listing has been identified at time of analysis, but the combination of no-auth adjacency and RCE impact makes this a high-priority patch target in any environment running these IBM platforms.
Out-of-bounds write in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 lets an unauthenticated adjacent-network attacker corrupt memory to achieve arbitrary code execution or crash the affected service (denial of service). The CVSS 3.1 base score is 9.6 (Critical) with a changed scope, reflecting potential impact beyond the vulnerable component on IBM Power hardware. No public exploit identified at time of analysis, and the flaw is not listed in CISA KEV; EPSS data was not provided.
Out-of-bounds write in IBM AIX 7.2, 7.3 and PowerVM VIOS 4.1 enables an unauthenticated attacker positioned on an adjacent network segment to execute arbitrary code with full confidentiality, integrity, and availability impact. The CWE-787 class flaw requires no privileges and no user interaction, lowering the exploitation bar substantially once network adjacency is achieved. No public exploit code or CISA KEV listing has been identified at time of analysis, but the combination of zero-prerequisite exploitation and complete system compromise warrants urgent patching in affected enterprise environments.
Remote code execution in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 stems from a stack-based buffer overflow that a network-based attacker can trigger without authentication or user interaction, per the CVSS 9.8 vector. Successful exploitation yields full compromise (high confidentiality, integrity, and availability impact) of Unix systems that frequently underpin enterprise and mission-critical workloads. No public exploit identified at time of analysis, and the CVE is not currently listed in CISA KEV.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Multiple unspecified vulnerabilities in the InfiniBand subsystem in IBM AIX 6.1 and 7.1, and VIOS 2.2.2.2-FP-26 SP-02, allow local users to gain privileges via vectors involving (1) arp.ib or (2). Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Uncontrolled resource consumption in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows a local high-privileged attacker to cause a denial of service by supplying crafted directory records to the vulnerable parsing component. The CVSS vector (AV:L/PR:H) confirms that exploitation is constrained to authenticated local actors with elevated privileges, limiting the realistic threat pool considerably. No public exploit code has been identified at time of analysis, and this CVE does not appear in the CISA Known Exploited Vulnerabilities catalog.
Path traversal in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables remote, unauthenticated attackers to bypass directory-based access controls by supplying manipulated pathname inputs that escape restricted filesystem boundaries. The vulnerability carries a CVSS 3.1 score of 4.8 (Medium) with high attack complexity (AC:H), which constrains opportunistic exploitation while still leaving targeted attacks viable without requiring credentials. No public exploit code or active exploitation has been identified at time of analysis; IBM has published an advisory at their support portal (https://www.ibm.com/support/pages/node/7283858).
Out-of-bounds write in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 enables a local, low-privileged attacker to crash the affected system, resulting in a denial of service. The CVSS scope-change metric (S:C) is particularly significant in the PowerVM context: a crash of the VIOS host can simultaneously disrupt I/O services for all co-hosted guest logical partitions (LPARs) sharing that VIOS, amplifying the blast radius well beyond the directly exploited node. No public exploit code and no confirmed active exploitation have been identified at time of analysis.
Out-of-bounds write in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 enables a local, high-privileged attacker to execute arbitrary code. The vulnerability is rooted in a memory corruption flaw (CWE-787) that can corrupt adjacent memory regions during a write operation. No active exploitation has been confirmed by CISA KEV, and no public exploit code has been identified at time of analysis.
Local denial-of-service in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1 allows a high-privileged local attacker to crash the system via an out-of-bounds write condition. The attack is constrained to local access with elevated privileges (PR:H per CVSS), limiting the practical blast radius primarily to insider threats or post-compromise scenarios. No public exploit code and no CISA KEV listing have been identified at time of analysis, placing this in a lower-urgency triage category despite the severity of the availability impact.
Out-of-bounds memory read in IBM AIX 7.2/7.3 and PowerVM VIOS 4.1 allows a local authenticated attacker to disclose sensitive information from adjacent memory regions. The flaw is constrained entirely to local access with low privileges, yielding a CVSS score of 3.3 (Low), and poses greatest risk in shared or multi-tenant Power Systems environments where untrusted users hold shell access. No public exploit code or active exploitation has been identified at time of analysis.
Integer overflow in IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 allows a local attacker with limited privileges to extract sensitive information or trigger a denial of service under specific high-complexity conditions. Rooted in CWE-190 (Integer Overflow or Wraparound), the vulnerability carries a CVSS 3.1 base score of 3.6 (Low), reflecting the mandatory local access requirement and elevated attack complexity. No public exploit code or active exploitation has been identified at the time of analysis.
Denial of service in IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1 is achievable by an unauthenticated adjacent-network attacker exploiting an out-of-bounds write (CWE-787) in a network-accessible component. Successful exploitation crashes or degrades the target system without impacting confidentiality or data integrity. No public exploit code or CISA KEV listing has been identified at time of analysis.
A flaw was found in the libxml2 library. This uncontrolled resource consumption vulnerability occurs when processing XML catalogs that contain repeated <nextCatalog> elements pointing to the same downstream catalog. [CVSS 2.9 LOW]
libxml2's xmlCatalogXMLResolveURI function is vulnerable to uncontrolled recursion when processing self-referencing delegate URI entries in XML catalogs, allowing remote attackers to trigger stack exhaustion and crash applications. This configuration-dependent denial of service requires specially crafted XML input but no authentication, affecting any application using the vulnerable library to parse untrusted catalogs. No patch is currently available.
A flaw was identified in the RelaxNG parser of libxml2 related to how external schema inclusions are handled. The parser does not enforce a limit on inclusion depth when resolving nested <include> directives. [CVSS 3.7 LOW]
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to execute arbitrary commands due to improper process controls. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 NIM server (formerly known as NIM master) service (nimesis) could allow a remote attacker to execute arbitrary commands due to improper process. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 NIM server (formerly known as NIM master) service (nimesis) could allow a remote attacker to traverse directories on the system. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 stores NIM private keys used in NIM environments in an insecure way which is susceptible to unauthorized access by an attacker using man in the middle. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Use-after-free memory corruption in X.Org X server's Xkb extension allows local authenticated attackers to achieve high confidentiality impact, low integrity impact, and high availability impact (CVSS 7.3) through improper resource cleanup during client disconnection. The vulnerability affects Red Hat Enterprise Linux distributions with multiple security advisories released (RHSA-2025:19432 through RHSA-2025:22055). EPSS data not provided, but the local attack vector (AV:L) and low complexity (AC:L) indicate exploitation requires authenticated local access. No CISA KEV listing or public POC identified at time of analysis.
Local privilege escalation in X.Org X server's Xkb extension affects RHEL-family distributions, allowing authenticated users to corrupt memory or crash the X server via integer overflow in XkbSetCompatMap(). Attack requires local access with low-privilege credentials. EPSS data not available; no CISA KEV listing indicates targeted rather than widespread exploitation. Red Hat has released patches across multiple RHEL versions (RHSA-2025:19432 through RHSA-2025:22055).
IBM AIX 7.2, 7.3, IBM VIOS 3.1, and 4.1, when configured to use Kerberos network authentication, could allow a local user to write to files on the system with root privileges due to improper. Rated high severity (CVSS 7.4), this vulnerability is no authentication required. No vendor patch available.
A vulnerability was found in libxml2 up to 2.14.5. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.
Local privilege escalation vulnerability in IBM AIX 7.3 and IBM VIOS 4.1.1's Perl implementation that allows non-privileged local users to execute arbitrary code through improper pathname neutralization (path traversal). With a CVSS score of 8.4 and no authentication requirement, this represents a critical risk for AIX environments where local user access exists. The vulnerability's active exploitation status and proof-of-concept availability would significantly elevate real-world risk.
IBM AIX 7.2, 7.3, VIOS 3.1, and 4.1 could allow a non-privileged local user to exploit a vulnerability in the TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, VIOS 3.1, and 4.1 could allow a non-privileged local user to exploit a vulnerability in the AIX perfstat kernel extension to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3 and VIOS 3.1 and 4.1 could allow a local user to execute arbitrary commands on the system due to improper neutralization of input. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX could 7.2, 7.3, VIOS 3.1, and VIOS 4.1 allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX's Unix domain (AIX 7.2, 7.3, VIOS 3.1, and VIOS 4.1) datagram socket implementation could potentially expose applications using Unix domain datagram sockets with SO_PEERID operation and may. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.3, VIOS 4.1's Perl implementation could allow a non-privileged local user to exploit a vulnerability to execute arbitrary commands. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the kernel to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the pmsvcs kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the NFS kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in AIX windows to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a privileged local user to exploit a vulnerability in the qdaemon command to escalate privileges or cause a denial of service. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the piobe command to escalate privileges or cause a denial of service. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the piodmgrsu command to obtain elevated privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX's 7.3 Python implementation could allow a non-privileged local user to exploit a vulnerability to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.2, 7.3, VIOS 3.1's OpenSSH implementation could allow a non-privileged local user to access files outside of those allowed due to improper access controls. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX runtime services library to execute arbitrary commands. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX pfcdd kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX perfstat kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the rm_rlcache_file command to obtain root privileges. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in the AIX SMB client to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX NFS kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX TCP/IP kernel extension to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1could allow a non-privileged local user to exploit a vulnerability in CAA to cause a denial of service. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.