Memory Corruption
Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.
How It Works
Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space. Attackers exploit these flaws by carefully crafting inputs that trigger the corruption, allowing them to overwrite critical data structures like function pointers, return addresses, or object metadata. The corrupted memory then causes the program to execute attacker-controlled code or leak sensitive information when that memory is subsequently accessed.
Several common variants exist with distinct mechanisms. Buffer overflows write past array boundaries, overwriting adjacent memory. Use-after-free bugs occur when code accesses memory after it's been deallocated, allowing attackers to reallocate that space with malicious data. Type confusion tricks programs into treating objects as different types, causing field accesses at incorrect offsets that can leak data or enable writes to arbitrary locations. Double-free vulnerabilities free the same memory twice, corrupting heap metadata structures that allocate memory, ultimately enabling arbitrary writes when the corrupted allocator is used again.
The typical attack flow involves reconnaissance to identify the corruption primitive, heap manipulation to position target structures in predictable locations, triggering the vulnerability to corrupt specific memory, and finally leveraging the corruption to hijack control flow or extract data. Modern exploits often chain multiple primitives together, using information leaks to defeat ASLR before achieving code execution.
Impact
- Arbitrary code execution: Execute attacker-supplied machine code or reuse existing code (ROP/JOP) with full privileges of the vulnerable process
- Privilege escalation: Exploit kernel memory corruption to escalate from user to root/SYSTEM privileges
- Information disclosure: Leak cryptographic keys, passwords, authentication tokens, or bypass ASLR by reading memory layout
- Denial of service: Crash critical services by corrupting essential data structures
- Sandbox escape: Break out of browser or application isolation boundaries to compromise the host system
Real-World Examples
The Chrome V8 JavaScript engine has suffered numerous type confusion vulnerabilities where JavaScript objects are mishandled, allowing attackers to achieve browser compromise through malicious websites. CVE-2021-30551 exemplified this, enabling remote code execution via crafted web content.
Windows kernel vulnerabilities like CVE-2020-17087 demonstrated use-after-free exploitation, where local attackers triggered memory reuse in the kernel to escalate privileges to SYSTEM. This was actively exploited in targeted attacks before patching.
The Heartbleed vulnerability (CVE-2014-0160) in OpenSSL showed devastating information disclosure through a buffer over-read, leaking 64KB chunks of server memory containing private keys, passwords, and session tokens across millions of servers.
Mitigation
- Memory-safe languages: Use Rust, Go, or Swift for new code to eliminate entire classes of corruption bugs
- Sanitizers in development: Deploy AddressSanitizer (ASAN) and MemorySanitizer (MSAN) during testing to detect corruption immediately
- Fuzzing with coverage feedback: Continuously fuzz parsers and input handlers using AFL++ or libFuzzer to discover corruption bugs
- Control Flow Integrity (CFI): Enable compiler-based CFI to restrict indirect call targets and prevent ROP
- Exploit mitigations: Deploy stack canaries, ASLR, DEP/NX, and shadow stacks on all platforms
- Sandboxing: Isolate vulnerable components using seccomp, pledge, or process isolation to contain successful exploits
Recent CVEs (15311)
InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by an Access of Uninitialized Pointer vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
InDesign Desktop versions 20.4, 19.5.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Substance3D - Painter versions 11.0.2 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Substance3D - Modeler versions 1.22.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Substance3D - Modeler versions 1.22.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Photoshop Desktop versions 25.12.3, 26.8 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Animate versions 23.0.12, 24.0.9 and earlier are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Animate versions 23.0.12, 24.0.9 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Substance3D - Viewer versions 0.25 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use after free in Desktop Windows Manager allows an authorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Access of resource using incompatible type ('type confusion') in Windows Message Queuing allows an authorized attacker to execute code over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use after free in Kernel Transaction Manager allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8). No vendor patch available.
Use after free in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.
Use after free in Desktop Windows Manager allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Illustrator versions 28.7.8, 29.6.1 and earlier are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Illustrator versions 28.7.8, 29.6.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege. Rated medium severity (CVSS 4.5). No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: xfrm: interface: fix use-after-free after changing collect_md xfrm interface collect_md property on xfrm interfaces can only be set. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A vulnerability has been identified in Simcenter Femap V2406 (All versions < V2406.0003), Simcenter Femap V2412 (All versions < V2412.0002). Rated high severity (CVSS 7.3), this vulnerability is no authentication required. No vendor patch available.
Vim is an open source, command line text editor. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
in OpenHarmony v5.0.3 and prior versions allow a local attacker cause DOS through type confusion. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.
in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through use after free. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.
Possible memory leak or kernel exceptions caused by reading kernel heap data after free or NULL pointer dereference kernel exception. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
LinkJoin through 882f196 mishandles lacks type checking in password reset. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Use after free in Cast in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Extensions in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to potentially exploit heap corruption via a crafted Chrome Extension. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A maliciously crafted RBG file, when parsed through Autodesk 3ds Max, can force an Out-of-Bounds Write vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Memory corruption while processing commands from A2dp sink command queue. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Memory corruption when programming registers through virtual CDM. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds write in drawing pinpad in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory. Rated medium severity (CVSS 5.7). No vendor patch available.
Out-of-bounds write in creating bitmap images in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory. Rated medium severity (CVSS 5.7). No vendor patch available.
Out-of-bounds write in detaching crypto box in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to write out-of-bounds memory. Rated medium severity (CVSS 6.3), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of using incompatible types to access resources in the location service. Rated medium severity (CVSS 4.5). No vendor patch available.
Vulnerability of returning released pointers in the distributed notification service. Rated medium severity (CVSS 5.9), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds write vulnerability in the skia module. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Pointer dangling vulnerability in the cjwindow module. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds array access vulnerability in the ArkUI framework. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in Samsung Mobile Processor Exynos 2100, 1280, 2200, 1330, 1380, 1480, and 2400. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use After Free vulnerability in Arm Ltd Bifrost GPU Userspace Driver, Arm Ltd Valhall GPU Userspace Driver, Arm Ltd Arm 5th Gen GPU Architecture Userspace Driver allows a non-privileged user process. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Out-of-bounds write vulnerability exists in FUJIFILM Business Innovation MFPs. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Power HAL, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
In Power HAL, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
In DA, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
NVIDIA GPU Display Driver for Windows contains a vulnerability where an attacker with local unprivileged access that can win a race condition might be able to trigger a use-after-free error. Rated high severity (CVSS 7.0). No vendor patch available.
Memory corruption in Apple's audio processing framework across iOS, macOS, tvOS, visionOS, and watchOS allows local attackers to achieve arbitrary code execution by tricking users into opening malicious audio files. Fixed in iOS/iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.8, tvOS 18.6, visionOS 2.6, and watchOS 11.6. Despite a high CVSS score of 7.8, the 2% EPSS probability indicates low observed exploitation likelihood, with no public exploit identified at time of analysis and no CISA KEV listing.
Memory corruption vulnerabilities in Apple's graphics texture processing engine across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS allow remote code execution via maliciously crafted texture files. Affects all major Apple platforms prior to July 2025 updates (iOS/iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6). Despite a critical CVSS 9.8 score indicating network-exploitable remote code execution without authentication, EPSS shows only 0.18% exploitation probability (40th percentile), and no public exploit identified at time of analysis. The vulnerability requires processing specially crafted texture data, likely through applications handling untrusted image or 3D content.
Out-of-bounds read vulnerability in Apple media processing frameworks allows local attackers to cause application crashes or disclose sensitive process memory by tricking users into opening malicious media files. Affects iOS/iPadOS 18.x, macOS Sequoia 15.x, tvOS 18.x, and visionOS 2.x prior to July 2025 security updates. No public exploit identified at time of analysis, with EPSS score of 0.02% indicating minimal observed exploitation activity. User interaction required (opening crafted file) reduces immediate risk despite 7.1 CVSS score.
Safari and related Apple platforms crash when processing maliciously crafted web content due to a memory handling vulnerability (buffer overflow). Affects Safari 18.5 and earlier, iOS 18.5 and earlier, iPadOS 18.5 and earlier, macOS Sequoia 15.5 and earlier, tvOS 18.5 and earlier, visionOS 2.5 and earlier, and watchOS 11.5 and earlier. An unauthenticated remote attacker can trigger a denial of service by hosting or injecting malicious web content, with user interaction required to visit the affected content. No public exploit code or active exploitation has been confirmed (EPSS 0.08% indicates minimal real-world exploitation activity to date).
Denial-of-service vulnerability in Apple's WebKit engine affects Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS through improper memory handling during web content processing. Local attackers without authentication can trigger this vulnerability via crafted web content to cause application crashes. Vendor-released patches are available across all affected platforms; EPSS score of 0.02% indicates minimal real-world exploitation likelihood despite the moderate CVSS 6.2 rating.
Out-of-bounds write vulnerability in WebKit across Apple's entire operating system ecosystem allows remote code execution via maliciously crafted web content without user interaction or authentication. Affects iOS, iPadOS, macOS (Ventura through Sequoia), tvOS, visionOS, and watchOS prior to July 2025 security updates. Despite a critical 9.8 CVSS score indicating maximum severity, EPSS probability remains low at 0.14% (34th percentile), and no public exploit identified at time of analysis, suggesting limited observed exploitation attempts despite the theoretical remote attack surface.
Buffer overflow memory corruption in Apple file parsing components allows remote code execution across iOS 18.6, iPadOS 18.6, macOS (Sequoia 15.6, Sonoma 14.7.7, Ventura 13.7.7), tvOS 18.6, visionOS 2.6, and watchOS 11.6. Unauthenticated attackers can trigger arbitrary code execution by delivering a maliciously crafted file requiring no user interaction beyond parsing. Despite CVSS 9.8 critical severity, EPSS score of 0.16% (37th percentile) indicates low observed exploitation probability. No public exploit identified at time of analysis and not listed in CISA KEV, suggesting theoretical risk exceeds current real-world threat activity.
Memory corruption in Apple's WebKit browser engine across Safari 18.x, iOS/iPadOS 18.x, macOS Sequoia 15.x, and other Apple operating systems allows remote attackers to achieve arbitrary code execution via maliciously crafted web content requiring only user interaction (visiting a malicious webpage). With CVSS 8.8 (High), the vulnerability enables complete system compromise (high confidentiality, integrity, and availability impact) but carries relatively low real-world exploitation probability (EPSS 0.10%, 27th percentile). No public exploit identified at time of analysis, and vendor-released patches are available across all affected platforms as of July-August 2025.
Memory corruption in WebKit browser engine allows remote code execution across Apple's ecosystem (Safari 18.6, iOS/iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6) when users interact with maliciously crafted web content. The vulnerability stems from improper memory handling (CWE-119 buffer overflow) and requires no authentication but user interaction to trigger. EPSS score of 0.10% (26th percentile) indicates low observed exploitation probability, and no public exploit identified at time of analysis, though the CVSS 8.8 rating reflects the potential for complete system compromise if successfully exploited.
Use-after-free in Linux kernel TLS implementation allows local authenticated users to achieve high confidentiality, integrity, and availability impact through memory corruption. The vulnerability, triggered by aggressive TCP SKB compaction in net-next, causes TLS to operate on freed socket buffers when checking decrypt state. A vendor patch is available across multiple kernel versions (6.1-rc2 through 6.1-rc5 and later stable branches). No active exploitation confirmed, but CWE-416 use-after-free bugs are frequently targeted due to their code execution potential. EPSS data not provided.
Linux kernel RAS (Reliability, Availability, Serviceability) header validation in the AMD GPU driver (amdgpu) lacks input sanitization, allowing a local authenticated attacker to trigger denial of service through excessive memory allocation when reading corrupted EEPROM data. The vulnerability affects all Linux kernel versions with the vulnerable amdgpu driver code path and requires local access with standard user privileges. No public exploit code has been identified; the EPSS score of 0.02% (5th percentile) indicates low real-world exploitation probability despite the moderate CVSS 5.5 rating.
Out-of-bounds shift in the Linux kernel Squashfs filesystem allows a local attacker to trigger memory corruption by racing a LOOP_SET_BLOCK_SIZE ioctl against a concurrent Squashfs mount on the same loop device, causing sb_min_blocksize() to return 0 and the code in squashfs_fill_super() to compute a shift exponent of 64. The affected subsystem is the kernel Squashfs driver (fs/squashfs/block.c) on Linux and downstream distributions such as Debian 11. There is no public exploit identified at time of analysis and the issue is not listed in CISA KEV.
Uninitialized variable in libssh's privatekey_from_file() function can cause heap corruption or signing failures when a non-existent key file is specified, allowing local authenticated attackers to trigger memory corruption with potential for information disclosure. CVSS 3.6 reflects local attack vector and high complexity; exploitation requires authenticated access and specific file conditions.
Use-after-free in Linux Kernel traffic control (qdisc) subsystem allows local authenticated attackers to execute arbitrary code, escalate privileges, or cause denial of service. Affects Linux Kernel versions prior to vendor-released patches across multiple stable branches (6.6.x, 6.12.x, 6.15, 6.16-rc1). Triggered when classful qdiscs like DRR and HFSC incorrectly handle child class deactivation during enqueue operations, leaving stale class pointers that can be exploited after deletion. Vendor patches available from kernel.org git stable tree; no active exploitation confirmed (not in CISA KEV), but PoC reproducer exists in public advisory.
NanoMQ v0.22.10 was discovered to contain a heap overflow which allows attackers to cause a Denial of Service (DoS) via a crafted CONNECT message.
A flaw was found in polkit. When processing an XML policy with 32 or more nested elements in depth, an out-of-bounds write can be triggered. This issue can lead to a crash or other unexpected behavior, and arbitrary code execution is not discarded. To exploit this flaw, a high-privilege account is needed as it's required to place the malicious policy file properly.
CVE-2025-25180 is a privilege escalation vulnerability affecting GPU drivers that allows non-privileged users to conduct improper GPU system calls, enabling arbitrary writes to physical memory pages including kernel and driver memory. This vulnerability could allow local attackers to corrupt critical kernel data structures and alter system behavior, potentially leading to complete system compromise. The attack requires local access and low privilege level but has high impact across confidentiality, integrity, and availability.
An IBM MQ 9.3 and 9.4 Client connecting to an MQ Queue Manager can cause a SIGSEGV in the AMQRMPPA channel process terminating it.
CVE-2025-7029 is a critical SMRAM corruption vulnerability in software SMI handlers that allows local attackers with high privileges to achieve arbitrary memory writes and potential SMM privilege escalation. The vulnerability exists in SwSmiInputValue 0xB2 handler where attacker-controlled RBX register values are used to derive unvalidated pointers for power and thermal configuration operations. This affects firmware-level security boundaries and could enable complete system compromise, though exploitation requires elevated privileges and no public exploit code or active KEV exploitation has been reported at this time.
An Out-of-bounds Write vulnerability in the connectivity fault management (CFM) daemon of Juniper Networks Junos OS on MX Series with MPC-BUILTIN, MPC1 through MPC9 line cards allows an unauthenticated adjacent attacker to send a malformed packet to the device, leading to an FPC crash and restart, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks: Junos OS: * All versions before 22.2R3-S1, * from 22.4 before 22.4R2. This feature is not enabled by default.