Linux
Monthly
The Linux kernel's BPF test_run component fails to properly validate XDP frame metadata size, allowing local users with appropriate privileges to specify oversized metadata that exhausts frame headroom and leaves the frame structure uninitialized. This can lead to denial of service or memory corruption during packet transmission. No patch is currently available for this issue.
The Linux kernel netfilter connection tracking module fails to properly manage garbage collection timing, allowing an attacker with local access to bypass cleanup operations and cause unbounded memory consumption on affected systems. By maintaining a sufficiently high packet rate, an attacker can prevent the garbage collector from executing, causing the connection tracking list to grow indefinitely and potentially lead to denial of service. No patch is currently available for this vulnerability.
The Linux kernel's ftrace stack trace recording mechanism lacks proper recursion protection, allowing local users with sufficient privileges to trigger an infinite recursion loop when kernel stack trace triggers are enabled on RCU events, resulting in denial of service through system hang or crash. The vulnerability affects systems where tracing is configured to capture stack traces during RCU event monitoring. No patch is currently available to address this medium-severity defect.
Memory leak in the Linux kernel's device tree unittest module allows local users with standard privileges to cause a denial of service by exhausting system memory when the of_resolve_phandles() function fails during unit test execution. The vulnerability stems from improper resource cleanup in the unittest_data_add() function, where allocated memory is not freed on error paths. A patch is not currently available.
The Linux kernel's libceph library fails to reset sparse-read state machine tracking during OSD connection failures, causing the client to misinterpret new replies as continuations of previous ones. This can lead to the sparse-read machinery entering an unrecoverable failure state, resulting in denial of service through infinite error loops. Local attackers or systems experiencing network faults could exploit this to crash or hang OSD client operations.
The Linux kernel ath12k WiFi driver incorrectly frees DMA memory buffers using aligned addresses instead of the original unaligned pointers returned by dma_alloc_coherent(), potentially causing memory management errors and denial of service on systems using affected WiFi hardware. A local attacker with user privileges can trigger this vulnerability through normal WiFi driver operations, leading to system instability or crashes. No patch is currently available for this medium-severity vulnerability.
The Linux kernel's kmalloc_nolock() function on PREEMPT_RT systems fails to properly validate execution context before acquiring a sleeping lock, causing a kernel panic when BPF programs execute from tracepoints with preemption disabled. A local attacker with ability to run BPF programs can trigger a denial of service by causing the kernel to attempt sleeping operations in invalid contexts. No patch is currently available for this medium-severity vulnerability.
The ath10k WiFi driver in the Linux kernel incorrectly frees DMA-allocated memory by using aligned addresses instead of the original unaligned pointers, potentially causing memory corruption and system denial of service on affected systems. A local attacker with appropriate privileges can trigger this vulnerability to crash the kernel or cause system instability. No patch is currently available for this issue.
The Linux kernel's Synopsys DesignWare DisplayPort bridge driver contains improper error handling in the dw_dp_bind() function that fails to unregister auxiliary devices and return error codes correctly, potentially causing resource leaks or kernel instability for systems using affected display hardware. A local attacker with sufficient privileges could trigger these error paths to cause a denial of service through resource exhaustion or kernel panic.
In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space.
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early read unlock of page with EOF in middle The read result collection for buffered reads seems to run ahead of the completion of subrequests under some circumstances, as can be seen in the following log snippet: 9p_client_res: client 18446612686390831168 response P9_TREAD tag 0 err 0 ...
The HP BIOS configuration driver in the Linux kernel fails to validate attribute names before kobject registration, causing kernel warnings and potential denial of service when HP BIOS returns empty name strings. A local user with standard privileges can trigger this vulnerability to crash or destabilize the system by supplying malformed BIOS attribute data. No patch is currently available for this medium-severity flaw affecting Linux systems with HP BIOS configuration support.
A deadlock condition in the Linux kernel's ath12k WiFi driver occurs when management frame transmission is blocked by the wiphy lock during flush operations, causing the wireless interface to hang and preventing authentication. Local users with sufficient privileges can trigger this condition by initiating WiFi authentication while pending management frames are being flushed, resulting in a denial of service. No patch is currently available for this medium-severity vulnerability.
The Linux kernel's DPLL subsystem fails to prevent duplicate pin registrations, allowing callers to register the same pin multiple times and causing memory management issues during unregistration. A local attacker with unprivileged access could trigger this condition to cause a denial of service through kernel warnings or crashes. No patch is currently available for this vulnerability.
The Linux kernel's ARM64 hibernation resume function fails to disable Control Flow Integrity (CFI) checking, causing a data abort exception when resuming from hibernation on affected systems. A local attacker with hibernation access could trigger a denial of service by invoking the resume function without proper CFI validation. This affects Linux kernel deployments on ARM64 architecture, though no patch is currently available.
Linux kernel perf subsystem allows local authenticated users to trigger a use-after-free condition via refcount manipulation when creating perf event group members with PERF_FLAG_FD_OUTPUT flag, resulting in denial of service through kernel warnings and potential system instability. This vulnerability requires local access and existing privileges to exploit, with no patch currently available.
The Linux kernel netdevsim driver contains a race condition in the bpf_bound_progs list operations where concurrent calls to nsim_bpf_create_prog() and nsim_bpf_destroy_prog() can corrupt the list and trigger kernel crashes. A local attacker with limited privileges can exploit this vulnerability to cause a denial of service by manipulating eBPF program creation and destruction. No patch is currently available for this issue.
A null pointer dereference in the Linux kernel's SCTP authentication initialization can be triggered by local attackers with user privileges to cause a denial of service through a crash in the packet transmission path. The vulnerability occurs when SCTP-AUTH key setup fails during association peer initialization, leaving a dangling pointer that is subsequently dereferenced. No patch is currently available for this medium-severity issue affecting the Linux kernel.
A data race condition in the Linux kernel's IPv6 NDISC router discovery function allows concurrent unsynchronized read/write access to the ra_mtu field, potentially causing denial of service through system instability or crashes on local systems. The vulnerability affects all Linux systems running vulnerable kernel versions and requires local access to trigger. No patch is currently available, though the race condition is considered low-impact as the affected field represents best-effort MTU configuration.
Uninitialized pointer dereferences in the Linux kernel's interconnect debugfs implementation can cause denial of service when users interact with src_node and dst_node debugfs entries. A local attacker with standard user privileges can trigger memory access violations through reads or writes to these debugfs interfaces, crashing the system or causing kernel instability. No patch is currently available for this medium-severity vulnerability.
The Intel i225/i226 Ethernet controller driver in the Linux kernel is susceptible to TX unit hangs during heavy timestamping operations due to insufficient packet buffer allocation. A local user with low privileges can trigger denial of service by generating sustained timestamped network traffic that exhausts the 7KB per-queue TX buffer, requiring a kernel patch that reduces the buffer to 5KB per hardware specification to mitigate the hang condition.
A data-race condition in the Linux kernel's mISDN subsystem allows local attackers with unprivileged access to cause a denial of service by triggering concurrent access to the dev->work field through ioctl and read operations without proper synchronization. The vulnerability affects the mISDN timer device driver where unsynchronized reads and writes to shared data can result in system availability issues. No patch is currently available for this medium-severity vulnerability.
A data-race condition in the Linux kernel's L2TP tunnel deletion function can cause a denial of service on systems using L2TP networking. Local attackers with unprivileged access can trigger concurrent socket operations to crash the kernel or cause system instability. No patch is currently available for this vulnerability.
The Linux kernel bonding driver fails to properly provide a network namespace pointer to the flow dissector function, allowing a local attacker with unprivileged access to trigger a kernel warning and cause a denial of service. The vulnerability exists in the bond_flow_dissect() code path used for XDP packet transmission, where crafted network packets lacking proper device or socket context can be processed unsafely.
A race condition in the Linux kernel's rxrpc subsystem allows local attackers with limited privileges to cause a denial of service by exploiting unsynchronized access to the last_tx_at timestamp variable, potentially triggering load/store tearing on 32-bit architectures. The vulnerability requires local access and specific timing conditions to trigger, but can result in system instability or crash when successfully exploited. No patch is currently available.
A NULL pointer dereference in the Linux kernel's ice driver occurs when devlink reload fails and the driver is subsequently removed, affecting systems using Intel ice network adapters. A local privileged user can trigger this denial of service condition by initiating a devlink reinit operation that fails, leaving the hardware in an uninitialized state. The vulnerability stems from a missing ice_deinit_hw() call in the devlink reinit path that leaves control queues uninitialized.
Improper handling of reset and clock masking in the Linux kernel's i.MX8MQ VPU power domain controller can cause system hangs when attempting to independently reset GPU cores. Local attackers with sufficient privileges can trigger this vulnerability by manipulating VPU reset operations, leading to denial of service. A patch is not currently available.
A race condition in the Linux kernel's serial driver allows local attackers with low privileges to bypass TTY device linkage during console configuration, potentially enabling unauthorized access to serial console interfaces on Qualcomm SoCs and other affected systems. The vulnerability stems from improper initialization ordering that fails to configure tty->port before uart_configure_port() is called, creating a window where user-space applications can open the console without proper driver linkage. No patch is currently available.
Linux kernel ptrace operations on ARM64 systems without SME support can corrupt SVE register state, causing the kernel to enter an invalid FPSIMD configuration that triggers warnings and potential instability. A local attacker with ptrace privileges can exploit this to cause a denial of service by manipulating SVE register writes on affected systems. The vulnerability requires local access and is present on Linux systems running vulnerable kernel versions without an available patch.
The Linux kernel io_uring/io-wq subsystem fails to properly monitor exit signals during work execution loops, allowing a local attacker with user privileges to cause the work queue to hang indefinitely by queuing operations that take excessive time to complete. This denial of service condition prevents the io-wq worker threads from shutting down gracefully, potentially blocking system operations that depend on io_uring. No patch is currently available for this vulnerability.
In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-dwcmshc: Prevent illegal clock reduction in HS200/HS400 mode When operating in HS200 or HS400 timing modes, reducing the clock frequency below 52MHz will lead to link broken as the Rockchip DWC MSHC controller requires maintaining a minimum clock of 52MHz in these modes.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority because it is Unused. No vendor patch available.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority because it is Unused. No vendor patch available.
Linux kernel NVMe-oF TCP transport lacks proper bounds checking in PDU processing, allowing a local attacker with low privileges to trigger a kernel panic by crafting malicious PDU parameters that exceed scatter-gather list boundaries. The vulnerability enables denial of service through GPF/KASAN errors when invalid memory offsets are dereferenced during data copy operations. No patch is currently available for affected systems.
A use-after-free vulnerability in the Linux kernel's netfilter nf_tables module allows local attackers with unprivileged access to cause memory corruption and denial of service through an inverted logic check in catchall map element activation during failed transactions. The flaw occurs in nft_map_catchall_activate() which incorrectly processes already-active elements instead of inactive ones, potentially leading to privilege escalation or system crash. No patch is currently available.
Command injection in emp3r0r C2 framework before 3.21.1. Untrusted agent metadata (Transport, Hostname) injected into commands. PoC and patch available. EPSS 0.61%.
Authenticated users can inject arbitrary OS commands into the initramfs boot process through unsanitized input parameters in grub-btrfs versions through January 2026 on Arch Linux and derivatives. The vulnerability requires valid credentials and may have limited exploitability depending on specific system configurations. No patch is currently available for this medium-severity command injection flaw.
Privilege escalation in Dell iDRAC Service Module (Windows versions before 6.0.3.1 and Linux versions before 5.4.1.1) stems from improper access controls that allow local users with low privileges to gain elevated system access. An attacker with local access can exploit this vulnerability to obtain administrative capabilities on affected systems. No patch is currently available for this issue affecting both Windows and Linux environments.
The mongo-go-driver's GSSAPI authentication wrapper on Linux and macOS contains a heap buffer over-read vulnerability stemming from improper handling of non-null-terminated GSSAPI buffers, allowing authenticated attackers to read sensitive memory content. This vulnerability affects applications using Go-based MongoDB drivers with Kerberos authentication enabled and could lead to information disclosure of heap memory. No patch is currently available.
Improper syscall input validation in ASP (AMD Secure Processor) may force the kernel into reading syscall parameter values from its own memory space allowing an attacker to infer the contents of the kernel memory leading to potential information disclosure.
Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.
Microsoft Defender for Endpoint on Linux contains a code injection vulnerability that enables adjacent network attackers to execute arbitrary code without authentication. The flaw affects multiple platforms and carries high severity (CVSS 8.8) with no patch currently available. An attacker on the local network could achieve complete system compromise through this unauthenticated attack vector.
Windows Kernel heap overflow in Windows 11 25h2 and Windows Server 2025 enables authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. The vulnerability requires local access and user privileges but no user interaction, making it a practical attack vector for lateral movement within systems. No patch is currently available, leaving affected systems exposed until remediation is released.
Windows Subsystem for Linux contains a use-after-free vulnerability that enables local privilege escalation for authenticated users. An attacker with valid local access could exploit this memory safety flaw to gain elevated system privileges on affected Windows Server 2022 systems.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Local privilege escalation in Windows Subsystem for Linux affects Windows 11 23h2 and Windows 10 22h2 through a race condition in shared resource synchronization. An authenticated local attacker can exploit this vulnerability to gain elevated privileges on the system. No patch is currently available for this vulnerability.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Windows Kernel inadvertently logs sensitive information accessible to authenticated local users, enabling information disclosure attacks. This medium-severity vulnerability affects Windows 10 22H2, Windows 11 23H2, and 24H2, as well as Linux systems, allowing authorized attackers with local access to retrieve confidential data. No patch is currently available for this issue.
Improper authorization in the Intel(R) Quick Assist Technology for some Intel(R) Platforms within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. [CVSS 6.5 MEDIUM]
Out-of-bounds read in the firmware for some Intel(R) Converged Security and Management Engine (CSME) Firmware (FW) within Ring 0: Kernel may allow an information disclosure. System software adversary with a privileged user combined with a low complexity attack may enable data exposure. [CVSS 4.1 MEDIUM]
Loop with unreachable exit condition ('infinite loop') for some Intel(R) Platform within Ring 0: Kernel may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. [CVSS 6.0 MEDIUM]
Ethernet 800-Serie versions up to 2.2.2.0 contains a vulnerability that allows attackers to an information disclosure (CVSS 3.3).
Null pointer dereference in the firmware for some Intel(R) AMT and Intel(R) Standard Manageability within Ring 0: Kernel may allow a denial of service. Network adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. [CVSS 6.8 MEDIUM]
Microsoft Semantic Kernel SDK has a CVSS 9.9 path traversal vulnerability enabling AI agents to access arbitrary files outside their intended scope.
Claude Code prior to version 2.1.2 has a CVSS 10.0 sandbox escape in the bubblewrap sandboxing mechanism, allowing code execution outside the intended sandbox boundary.
Asterisk is an open source private branch exchange and telephony toolkit.
RimbaLinux AhadPOS 1.11 contains a SQL injection vulnerability in the 'alamatCustomer' parameter that allows attackers to manipulate database queries through crafted POST requests. [CVSS 7.1 HIGH]
Bootloader menu access in Moxa UC series industrial computers can be obtained by attackers with physical access using a device-unique password, potentially enabling temporary denial-of-service through firmware reflashing. The vulnerability is constrained by bootloader signature verification that prevents installation of unsigned firmware or arbitrary code execution. No patch is currently available for affected Linux and UC firmware versions.
TPM-backed LUKS encryption bypass in Moxa Industrial Linux 3 on select industrial computers allows an attacker with invasive physical access to the SPI bus to intercept TPM communications and decrypt eMMC storage contents offline. This attack requires opening the device and connecting specialized equipment for extended signal capture, making it impractical for opportunistic access scenarios. Affected products include V1222 Ct T, Uc 3430a T Lte Wifi, Uc 8220 T Lx, and Uc 4414a I T firmware variants.
Improper access control in TeamViewer clients (Windows, macOS, Linux) before version 15.74.5 permits authenticated remote users to circumvent confirmation-based access restrictions during active sessions. An attacker with valid remote session credentials can gain unauthorized access without triggering the expected local confirmation prompt, requiring only prior authentication via ID/password, session link, or Easy Access.
Navidrome versions prior to 0.60.0 allow authenticated users to trigger denial of service by requesting image resizing with extremely large parameters, causing uncontrolled memory allocation and potential disk exhaustion. Public exploit code exists for this vulnerability, which can crash the server process via the OOM killer or fill the cache directory with massive files. An attacker with valid credentials can achieve complete service outage without administrative privileges.
A race condition in the Linux kernel's SCSI error handling mechanism can prevent the error handler from being properly awakened when concurrent command completions occur, causing I/O operations to hang indefinitely. A local attacker with low privileges can trigger this condition through timing-sensitive operations to cause a denial of service. No patch is currently available for this vulnerability.
A denial of service vulnerability in the Linux kernel's writeback mechanism allows local users with standard privileges to cause indefinite hangs in wait_sb_inodes() when interacting with faulty FUSE servers that fail to respond to write requests. The vulnerability stems from improper handling of mappings without data integrity semantics, which should be skipped during synchronization operations but are instead waited upon indefinitely. An attacker controlling a malfunctioning FUSE server can exploit this to freeze system operations that depend on filesystem synchronization.
The Linux kernel USB CAN driver (usb_8dev) fails to properly manage URB memory when USB transfers complete, allowing a local attacker with user privileges to trigger a memory leak and cause a denial of service through resource exhaustion. The vulnerability occurs because completed URBs are unanchored by the USB framework before the callback function executes, preventing proper cleanup during driver shutdown. No patch is currently available for this issue.
In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA The code to restore a ZA context doesn't attempt to allocate the task's sve_state before setting TIF_SME.
In the Linux kernel, the following vulnerability has been resolved: timekeeping: Adjust the leap state for the correct auxiliary timekeeper When __do_ajdtimex() was introduced to handle adjtimex for any timekeeper, this reference to tk_core was not updated.
In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq.
A use-after-free vulnerability in the Linux kernel's ice driver causes a denial of service when devlink reload is followed by driver removal, as freed HWMON sensor memory is accessed by sysfs attribute handlers. Local users with sufficient privileges can trigger recurring kernel page faults approximately every 10 minutes when system monitoring tools attempt to read the orphaned hwmon attributes. This affects Linux systems with ice network drivers and causes system instability through repeated call traces.
In the Linux kernel, the following vulnerability has been resolved: ipvlan: Make the addrs_lock be per port Make the addrs_lock be per port, not per ipvlan dev. Initial code seems to be written in the assumption, that any address change must occur under RTNL.
In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Fix restoration of SVE context When SME is supported, Restoring SVE signal context can go wrong in a few ways, including placing the task into an invalid state where the kernel may read from out-of-bounds memory (and may potentially take a fatal fault) and/or may kill the task with a SIGKILL.
In the Linux kernel, the following vulnerability has been resolved: leds: led-class: Only Add LED to leds_list when it is fully ready Before this change the LED was added to leds_list before led_init_core() gets called adding it the list before led_classdev.set_brightness_work gets initialized.
The Linux kernel's hugetlb_pmd_shared() function fails to properly detect PMD table sharing, resulting in a denial of service condition affecting systems with local user access. An attacker with local privileges can exploit this to cause system instability or performance degradation through resource exhaustion. No patch is currently available.
The Linux kernel bonding driver fails to validate device types before enabling 802.3AD mode, allowing local privileged attackers to trigger out-of-bounds memory reads via malformed hardware address operations. This vulnerability affects systems running vulnerable Linux kernel versions and could lead to denial of service or information disclosure. No patch is currently available for this high-severity vulnerability.
A use-after-free vulnerability in the Linux kernel's netrom subsystem allows local attackers with user privileges to cause a denial of service or potentially execute code by triggering a double-free condition in the nr_route_frame() function when nr_neigh->ax25 is NULL. The vulnerability requires local access and user-level privileges to exploit, with no patch currently available.
A deadlock vulnerability in the Linux kernel's hugetlb file folio migration code allows a local privileged user to cause a denial of service by triggering conflicting lock acquisitions between folio locks and memory mapping semaphores. The vulnerability occurs when migrate_pages() and hugetlbfs_fallocate() operations compete for locks in opposite orders, freezing affected processes. No patch is currently available for this medium-severity issue.
The Linux kernel's uacce subsystem can hang during device cleanup when cdev_device_add fails, as subsequent calls to cdev_device_del attempt to release already-freed memory. Local users with sufficient privileges can trigger a denial of service by causing the device initialization to fail, resulting in a system hang. A patch is not currently available.
A memory leak in the Linux kernel's GUE (Generic UDP Encapsulation) implementation occurs when processing packets with inner IP protocol 0, allowing a local attacker to cause a denial of service by exhausting kernel memory. The vulnerability exists because gue_udp_recv() fails to properly handle protocol 0 during packet resubmission, resulting in unreferenced skb objects that are never freed. No patch is currently available for this medium-severity issue affecting the Linux kernel.
The Linux kernel uacce driver improperly validates callback function implementations before creating isolation policy sysfs files, allowing local users with sufficient privileges to trigger a system crash by accessing unimplemented callback functions. This denial of service vulnerability affects systems where device isolation is configured but callback functions are incompletely implemented. No patch is currently available.
CVE-2026-23093 is a security vulnerability (CVSS 5.5). Remediation should follow standard vulnerability management procedures.
Local stack buffer overflow in the Linux kernel's AD3552R DAC driver allows a local authenticated attacker to write beyond allocated buffer boundaries through improper bounds checking in the ad3552r_hs_write_data_source function. An attacker with local access can trigger out-of-bounds writes on the stack, potentially leading to privilege escalation or denial of service. No patch is currently available for this vulnerability.
The Linux kernel's Intel Trace Hub driver fails to properly release device references during output device operations, leading to resource exhaustion on systems with local access. A local authenticated user can trigger this memory leak through repeated open/close cycles or error conditions, potentially causing denial of service. No patch is currently available for this vulnerability.
The Linux kernel's Slimbus core driver fails to properly release device references when processing report-present messages, leading to a memory leak that can exhaust system resources. A local attacker with user privileges can trigger this leak by causing repeated Slimbus device registration events, potentially causing a denial of service through memory exhaustion. No patch is currently available for this vulnerability.
A use-after-free vulnerability in the Linux kernel's ALSA USB audio mixer can be triggered by local attackers with low privileges when mixer initialization fails, causing the kernel to access freed memory during sound card registration and potentially leading to information disclosure or denial of service. The flaw affects Linux systems with USB audio devices and remains unpatched, exploitable without user interaction after initial access to the system.
Linux kernel null pointer dereference in the tracing subsystem causes a denial of service when synthetic events reference stacktrace fields from other synthetic events. Local users with tracing permissions can trigger a kernel crash by creating chained synthetic events that pass stacktrace data between them. No patch is currently available for this vulnerability.
The Linux kernel's Xen SCSI backend driver fails to properly deallocate memory for vscsiblk_info structures during device removal and error handling, allowing local users with appropriate privileges to trigger denial of service through memory exhaustion. The vulnerability exists because scsiback_remove() does not free memory allocated in scsiback_probe(), resulting in persistent memory leaks when removing the device or during probe failures. No patch is currently available for this issue.
Local denial of service in Linux kernel vsock virtio transport allows a local attacker with unprivileged user privileges to exhaust host memory by advertising a large peer buffer size and reading data slowly, forcing the kernel to queue excessive sk_buff allocations. The vulnerability affects both guest-to-host and host-to-guest communication paths due to shared code between virtio transports. No patch is currently available.
The GICv3 interrupt controller driver in the Linux kernel on 32-bit systems with CONFIG_ARM_LPAE can truncate physical memory addresses above the 4GB limit when storing them in 32-bit variables, potentially causing system crashes or memory corruption. A local attacker with kernel-level privileges could trigger this condition through memory allocation patterns that force addresses into higher physical memory ranges. This vulnerability affects Linux systems using ARM Large Physical Address Extension with 32-bit address space configurations.
A null pointer dereference vulnerability in the Linux kernel's be2net driver allows local users with low privileges to cause a denial of service by triggering a crash through improper parameter handling in the be_cmd_get_mac_from_list() function. The vulnerability occurs when the driver passes both a false pmac_id_valid flag and a NULL pointer to this function, causing the kernel to dereference the invalid pointer. No patch is currently available for this issue.
Local privilege escalation in the Linux kernel's FOU (Foo-over-UDP) tunnel implementation allows authenticated local users to trigger a memory leak and denial of service by setting the FOU_ATTR_IPPROTO attribute to zero, causing network packets to remain unfreed in memory. This vulnerability affects all Linux systems with the vulnerable kernel code and requires local access to exploit. No patch is currently available for this high-severity issue.
The Linux kernel's CAN gs_usb driver contains a denial of service vulnerability where failure to submit a USB request results in an anchored URB that is never released, causing the device close function to hang indefinitely. A local attacker with USB device access can trigger this condition by causing usb_submit_urb() to fail, blocking system operations. No patch is currently available for this medium-severity flaw.
The Linux kernel's BPF test_run component fails to properly validate XDP frame metadata size, allowing local users with appropriate privileges to specify oversized metadata that exhausts frame headroom and leaves the frame structure uninitialized. This can lead to denial of service or memory corruption during packet transmission. No patch is currently available for this issue.
The Linux kernel netfilter connection tracking module fails to properly manage garbage collection timing, allowing an attacker with local access to bypass cleanup operations and cause unbounded memory consumption on affected systems. By maintaining a sufficiently high packet rate, an attacker can prevent the garbage collector from executing, causing the connection tracking list to grow indefinitely and potentially lead to denial of service. No patch is currently available for this vulnerability.
The Linux kernel's ftrace stack trace recording mechanism lacks proper recursion protection, allowing local users with sufficient privileges to trigger an infinite recursion loop when kernel stack trace triggers are enabled on RCU events, resulting in denial of service through system hang or crash. The vulnerability affects systems where tracing is configured to capture stack traces during RCU event monitoring. No patch is currently available to address this medium-severity defect.
Memory leak in the Linux kernel's device tree unittest module allows local users with standard privileges to cause a denial of service by exhausting system memory when the of_resolve_phandles() function fails during unit test execution. The vulnerability stems from improper resource cleanup in the unittest_data_add() function, where allocated memory is not freed on error paths. A patch is not currently available.
The Linux kernel's libceph library fails to reset sparse-read state machine tracking during OSD connection failures, causing the client to misinterpret new replies as continuations of previous ones. This can lead to the sparse-read machinery entering an unrecoverable failure state, resulting in denial of service through infinite error loops. Local attackers or systems experiencing network faults could exploit this to crash or hang OSD client operations.
The Linux kernel ath12k WiFi driver incorrectly frees DMA memory buffers using aligned addresses instead of the original unaligned pointers returned by dma_alloc_coherent(), potentially causing memory management errors and denial of service on systems using affected WiFi hardware. A local attacker with user privileges can trigger this vulnerability through normal WiFi driver operations, leading to system instability or crashes. No patch is currently available for this medium-severity vulnerability.
The Linux kernel's kmalloc_nolock() function on PREEMPT_RT systems fails to properly validate execution context before acquiring a sleeping lock, causing a kernel panic when BPF programs execute from tracepoints with preemption disabled. A local attacker with ability to run BPF programs can trigger a denial of service by causing the kernel to attempt sleeping operations in invalid contexts. No patch is currently available for this medium-severity vulnerability.
The ath10k WiFi driver in the Linux kernel incorrectly frees DMA-allocated memory by using aligned addresses instead of the original unaligned pointers, potentially causing memory corruption and system denial of service on affected systems. A local attacker with appropriate privileges can trigger this vulnerability to crash the kernel or cause system instability. No patch is currently available for this issue.
The Linux kernel's Synopsys DesignWare DisplayPort bridge driver contains improper error handling in the dw_dp_bind() function that fails to unregister auxiliary devices and return error codes correctly, potentially causing resource leaks or kernel instability for systems using affected display hardware. A local attacker with sufficient privileges could trigger these error paths to cause a denial of service through resource exhaustion or kernel panic.
In the Linux kernel, the following vulnerability has been resolved: iommu/sva: invalidate stale IOTLB entries for kernel address space Introduce a new IOMMU interface to flush IOTLB paging cache entries for the CPU kernel address space.
In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early read unlock of page with EOF in middle The read result collection for buffered reads seems to run ahead of the completion of subrequests under some circumstances, as can be seen in the following log snippet: 9p_client_res: client 18446612686390831168 response P9_TREAD tag 0 err 0 ...
The HP BIOS configuration driver in the Linux kernel fails to validate attribute names before kobject registration, causing kernel warnings and potential denial of service when HP BIOS returns empty name strings. A local user with standard privileges can trigger this vulnerability to crash or destabilize the system by supplying malformed BIOS attribute data. No patch is currently available for this medium-severity flaw affecting Linux systems with HP BIOS configuration support.
A deadlock condition in the Linux kernel's ath12k WiFi driver occurs when management frame transmission is blocked by the wiphy lock during flush operations, causing the wireless interface to hang and preventing authentication. Local users with sufficient privileges can trigger this condition by initiating WiFi authentication while pending management frames are being flushed, resulting in a denial of service. No patch is currently available for this medium-severity vulnerability.
The Linux kernel's DPLL subsystem fails to prevent duplicate pin registrations, allowing callers to register the same pin multiple times and causing memory management issues during unregistration. A local attacker with unprivileged access could trigger this condition to cause a denial of service through kernel warnings or crashes. No patch is currently available for this vulnerability.
The Linux kernel's ARM64 hibernation resume function fails to disable Control Flow Integrity (CFI) checking, causing a data abort exception when resuming from hibernation on affected systems. A local attacker with hibernation access could trigger a denial of service by invoking the resume function without proper CFI validation. This affects Linux kernel deployments on ARM64 architecture, though no patch is currently available.
Linux kernel perf subsystem allows local authenticated users to trigger a use-after-free condition via refcount manipulation when creating perf event group members with PERF_FLAG_FD_OUTPUT flag, resulting in denial of service through kernel warnings and potential system instability. This vulnerability requires local access and existing privileges to exploit, with no patch currently available.
The Linux kernel netdevsim driver contains a race condition in the bpf_bound_progs list operations where concurrent calls to nsim_bpf_create_prog() and nsim_bpf_destroy_prog() can corrupt the list and trigger kernel crashes. A local attacker with limited privileges can exploit this vulnerability to cause a denial of service by manipulating eBPF program creation and destruction. No patch is currently available for this issue.
A null pointer dereference in the Linux kernel's SCTP authentication initialization can be triggered by local attackers with user privileges to cause a denial of service through a crash in the packet transmission path. The vulnerability occurs when SCTP-AUTH key setup fails during association peer initialization, leaving a dangling pointer that is subsequently dereferenced. No patch is currently available for this medium-severity issue affecting the Linux kernel.
A data race condition in the Linux kernel's IPv6 NDISC router discovery function allows concurrent unsynchronized read/write access to the ra_mtu field, potentially causing denial of service through system instability or crashes on local systems. The vulnerability affects all Linux systems running vulnerable kernel versions and requires local access to trigger. No patch is currently available, though the race condition is considered low-impact as the affected field represents best-effort MTU configuration.
Uninitialized pointer dereferences in the Linux kernel's interconnect debugfs implementation can cause denial of service when users interact with src_node and dst_node debugfs entries. A local attacker with standard user privileges can trigger memory access violations through reads or writes to these debugfs interfaces, crashing the system or causing kernel instability. No patch is currently available for this medium-severity vulnerability.
The Intel i225/i226 Ethernet controller driver in the Linux kernel is susceptible to TX unit hangs during heavy timestamping operations due to insufficient packet buffer allocation. A local user with low privileges can trigger denial of service by generating sustained timestamped network traffic that exhausts the 7KB per-queue TX buffer, requiring a kernel patch that reduces the buffer to 5KB per hardware specification to mitigate the hang condition.
A data-race condition in the Linux kernel's mISDN subsystem allows local attackers with unprivileged access to cause a denial of service by triggering concurrent access to the dev->work field through ioctl and read operations without proper synchronization. The vulnerability affects the mISDN timer device driver where unsynchronized reads and writes to shared data can result in system availability issues. No patch is currently available for this medium-severity vulnerability.
A data-race condition in the Linux kernel's L2TP tunnel deletion function can cause a denial of service on systems using L2TP networking. Local attackers with unprivileged access can trigger concurrent socket operations to crash the kernel or cause system instability. No patch is currently available for this vulnerability.
The Linux kernel bonding driver fails to properly provide a network namespace pointer to the flow dissector function, allowing a local attacker with unprivileged access to trigger a kernel warning and cause a denial of service. The vulnerability exists in the bond_flow_dissect() code path used for XDP packet transmission, where crafted network packets lacking proper device or socket context can be processed unsafely.
A race condition in the Linux kernel's rxrpc subsystem allows local attackers with limited privileges to cause a denial of service by exploiting unsynchronized access to the last_tx_at timestamp variable, potentially triggering load/store tearing on 32-bit architectures. The vulnerability requires local access and specific timing conditions to trigger, but can result in system instability or crash when successfully exploited. No patch is currently available.
A NULL pointer dereference in the Linux kernel's ice driver occurs when devlink reload fails and the driver is subsequently removed, affecting systems using Intel ice network adapters. A local privileged user can trigger this denial of service condition by initiating a devlink reinit operation that fails, leaving the hardware in an uninitialized state. The vulnerability stems from a missing ice_deinit_hw() call in the devlink reinit path that leaves control queues uninitialized.
Improper handling of reset and clock masking in the Linux kernel's i.MX8MQ VPU power domain controller can cause system hangs when attempting to independently reset GPU cores. Local attackers with sufficient privileges can trigger this vulnerability by manipulating VPU reset operations, leading to denial of service. A patch is not currently available.
A race condition in the Linux kernel's serial driver allows local attackers with low privileges to bypass TTY device linkage during console configuration, potentially enabling unauthorized access to serial console interfaces on Qualcomm SoCs and other affected systems. The vulnerability stems from improper initialization ordering that fails to configure tty->port before uart_configure_port() is called, creating a window where user-space applications can open the console without proper driver linkage. No patch is currently available.
Linux kernel ptrace operations on ARM64 systems without SME support can corrupt SVE register state, causing the kernel to enter an invalid FPSIMD configuration that triggers warnings and potential instability. A local attacker with ptrace privileges can exploit this to cause a denial of service by manipulating SVE register writes on affected systems. The vulnerability requires local access and is present on Linux systems running vulnerable kernel versions without an available patch.
The Linux kernel io_uring/io-wq subsystem fails to properly monitor exit signals during work execution loops, allowing a local attacker with user privileges to cause the work queue to hang indefinitely by queuing operations that take excessive time to complete. This denial of service condition prevents the io-wq worker threads from shutting down gracefully, potentially blocking system operations that depend on io_uring. No patch is currently available for this vulnerability.
In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-of-dwcmshc: Prevent illegal clock reduction in HS200/HS400 mode When operating in HS200 or HS400 timing modes, reducing the clock frequency below 52MHz will lead to link broken as the Rockchip DWC MSHC controller requires maintaining a minimum clock of 52MHz in these modes.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority because it is Unused. No vendor patch available.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority because it is Unused. No vendor patch available.
Linux kernel NVMe-oF TCP transport lacks proper bounds checking in PDU processing, allowing a local attacker with low privileges to trigger a kernel panic by crafting malicious PDU parameters that exceed scatter-gather list boundaries. The vulnerability enables denial of service through GPF/KASAN errors when invalid memory offsets are dereferenced during data copy operations. No patch is currently available for affected systems.
A use-after-free vulnerability in the Linux kernel's netfilter nf_tables module allows local attackers with unprivileged access to cause memory corruption and denial of service through an inverted logic check in catchall map element activation during failed transactions. The flaw occurs in nft_map_catchall_activate() which incorrectly processes already-active elements instead of inactive ones, potentially leading to privilege escalation or system crash. No patch is currently available.
Command injection in emp3r0r C2 framework before 3.21.1. Untrusted agent metadata (Transport, Hostname) injected into commands. PoC and patch available. EPSS 0.61%.
Authenticated users can inject arbitrary OS commands into the initramfs boot process through unsanitized input parameters in grub-btrfs versions through January 2026 on Arch Linux and derivatives. The vulnerability requires valid credentials and may have limited exploitability depending on specific system configurations. No patch is currently available for this medium-severity command injection flaw.
Privilege escalation in Dell iDRAC Service Module (Windows versions before 6.0.3.1 and Linux versions before 5.4.1.1) stems from improper access controls that allow local users with low privileges to gain elevated system access. An attacker with local access can exploit this vulnerability to obtain administrative capabilities on affected systems. No patch is currently available for this issue affecting both Windows and Linux environments.
The mongo-go-driver's GSSAPI authentication wrapper on Linux and macOS contains a heap buffer over-read vulnerability stemming from improper handling of non-null-terminated GSSAPI buffers, allowing authenticated attackers to read sensitive memory content. This vulnerability affects applications using Go-based MongoDB drivers with Kerberos authentication enabled and could lead to information disclosure of heap memory. No patch is currently available.
Improper syscall input validation in ASP (AMD Secure Processor) may force the kernel into reading syscall parameter values from its own memory space allowing an attacker to infer the contents of the kernel memory leading to potential information disclosure.
Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.
Microsoft Defender for Endpoint on Linux contains a code injection vulnerability that enables adjacent network attackers to execute arbitrary code without authentication. The flaw affects multiple platforms and carries high severity (CVSS 8.8) with no patch currently available. An attacker on the local network could achieve complete system compromise through this unauthenticated attack vector.
Windows Kernel heap overflow in Windows 11 25h2 and Windows Server 2025 enables authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. The vulnerability requires local access and user privileges but no user interaction, making it a practical attack vector for lateral movement within systems. No patch is currently available, leaving affected systems exposed until remediation is released.
Windows Subsystem for Linux contains a use-after-free vulnerability that enables local privilege escalation for authenticated users. An attacker with valid local access could exploit this memory safety flaw to gain elevated system privileges on affected Windows Server 2022 systems.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Local privilege escalation in Windows Subsystem for Linux affects Windows 11 23h2 and Windows 10 22h2 through a race condition in shared resource synchronization. An authenticated local attacker can exploit this vulnerability to gain elevated privileges on the system. No patch is currently available for this vulnerability.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Windows Kernel inadvertently logs sensitive information accessible to authenticated local users, enabling information disclosure attacks. This medium-severity vulnerability affects Windows 10 22H2, Windows 11 23H2, and 24H2, as well as Linux systems, allowing authorized attackers with local access to retrieve confidential data. No patch is currently available for this issue.
Improper authorization in the Intel(R) Quick Assist Technology for some Intel(R) Platforms within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. [CVSS 6.5 MEDIUM]
Out-of-bounds read in the firmware for some Intel(R) Converged Security and Management Engine (CSME) Firmware (FW) within Ring 0: Kernel may allow an information disclosure. System software adversary with a privileged user combined with a low complexity attack may enable data exposure. [CVSS 4.1 MEDIUM]
Loop with unreachable exit condition ('infinite loop') for some Intel(R) Platform within Ring 0: Kernel may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. [CVSS 6.0 MEDIUM]
Ethernet 800-Serie versions up to 2.2.2.0 contains a vulnerability that allows attackers to an information disclosure (CVSS 3.3).
Null pointer dereference in the firmware for some Intel(R) AMT and Intel(R) Standard Manageability within Ring 0: Kernel may allow a denial of service. Network adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. [CVSS 6.8 MEDIUM]
Microsoft Semantic Kernel SDK has a CVSS 9.9 path traversal vulnerability enabling AI agents to access arbitrary files outside their intended scope.
Claude Code prior to version 2.1.2 has a CVSS 10.0 sandbox escape in the bubblewrap sandboxing mechanism, allowing code execution outside the intended sandbox boundary.
Asterisk is an open source private branch exchange and telephony toolkit.
RimbaLinux AhadPOS 1.11 contains a SQL injection vulnerability in the 'alamatCustomer' parameter that allows attackers to manipulate database queries through crafted POST requests. [CVSS 7.1 HIGH]
Bootloader menu access in Moxa UC series industrial computers can be obtained by attackers with physical access using a device-unique password, potentially enabling temporary denial-of-service through firmware reflashing. The vulnerability is constrained by bootloader signature verification that prevents installation of unsigned firmware or arbitrary code execution. No patch is currently available for affected Linux and UC firmware versions.
TPM-backed LUKS encryption bypass in Moxa Industrial Linux 3 on select industrial computers allows an attacker with invasive physical access to the SPI bus to intercept TPM communications and decrypt eMMC storage contents offline. This attack requires opening the device and connecting specialized equipment for extended signal capture, making it impractical for opportunistic access scenarios. Affected products include V1222 Ct T, Uc 3430a T Lte Wifi, Uc 8220 T Lx, and Uc 4414a I T firmware variants.
Improper access control in TeamViewer clients (Windows, macOS, Linux) before version 15.74.5 permits authenticated remote users to circumvent confirmation-based access restrictions during active sessions. An attacker with valid remote session credentials can gain unauthorized access without triggering the expected local confirmation prompt, requiring only prior authentication via ID/password, session link, or Easy Access.
Navidrome versions prior to 0.60.0 allow authenticated users to trigger denial of service by requesting image resizing with extremely large parameters, causing uncontrolled memory allocation and potential disk exhaustion. Public exploit code exists for this vulnerability, which can crash the server process via the OOM killer or fill the cache directory with massive files. An attacker with valid credentials can achieve complete service outage without administrative privileges.
A race condition in the Linux kernel's SCSI error handling mechanism can prevent the error handler from being properly awakened when concurrent command completions occur, causing I/O operations to hang indefinitely. A local attacker with low privileges can trigger this condition through timing-sensitive operations to cause a denial of service. No patch is currently available for this vulnerability.
A denial of service vulnerability in the Linux kernel's writeback mechanism allows local users with standard privileges to cause indefinite hangs in wait_sb_inodes() when interacting with faulty FUSE servers that fail to respond to write requests. The vulnerability stems from improper handling of mappings without data integrity semantics, which should be skipped during synchronization operations but are instead waited upon indefinitely. An attacker controlling a malfunctioning FUSE server can exploit this to freeze system operations that depend on filesystem synchronization.
The Linux kernel USB CAN driver (usb_8dev) fails to properly manage URB memory when USB transfers complete, allowing a local attacker with user privileges to trigger a memory leak and cause a denial of service through resource exhaustion. The vulnerability occurs because completed URBs are unanchored by the USB framework before the callback function executes, preventing proper cleanup during driver shutdown. No patch is currently available for this issue.
In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA The code to restore a ZA context doesn't attempt to allocate the task's sve_state before setting TIF_SME.
In the Linux kernel, the following vulnerability has been resolved: timekeeping: Adjust the leap state for the correct auxiliary timekeeper When __do_ajdtimex() was introduced to handle adjtimex for any timekeeper, this reference to tk_core was not updated.
In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq.
A use-after-free vulnerability in the Linux kernel's ice driver causes a denial of service when devlink reload is followed by driver removal, as freed HWMON sensor memory is accessed by sysfs attribute handlers. Local users with sufficient privileges can trigger recurring kernel page faults approximately every 10 minutes when system monitoring tools attempt to read the orphaned hwmon attributes. This affects Linux systems with ice network drivers and causes system instability through repeated call traces.
In the Linux kernel, the following vulnerability has been resolved: ipvlan: Make the addrs_lock be per port Make the addrs_lock be per port, not per ipvlan dev. Initial code seems to be written in the assumption, that any address change must occur under RTNL.
In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Fix restoration of SVE context When SME is supported, Restoring SVE signal context can go wrong in a few ways, including placing the task into an invalid state where the kernel may read from out-of-bounds memory (and may potentially take a fatal fault) and/or may kill the task with a SIGKILL.
In the Linux kernel, the following vulnerability has been resolved: leds: led-class: Only Add LED to leds_list when it is fully ready Before this change the LED was added to leds_list before led_init_core() gets called adding it the list before led_classdev.set_brightness_work gets initialized.
The Linux kernel's hugetlb_pmd_shared() function fails to properly detect PMD table sharing, resulting in a denial of service condition affecting systems with local user access. An attacker with local privileges can exploit this to cause system instability or performance degradation through resource exhaustion. No patch is currently available.
The Linux kernel bonding driver fails to validate device types before enabling 802.3AD mode, allowing local privileged attackers to trigger out-of-bounds memory reads via malformed hardware address operations. This vulnerability affects systems running vulnerable Linux kernel versions and could lead to denial of service or information disclosure. No patch is currently available for this high-severity vulnerability.
A use-after-free vulnerability in the Linux kernel's netrom subsystem allows local attackers with user privileges to cause a denial of service or potentially execute code by triggering a double-free condition in the nr_route_frame() function when nr_neigh->ax25 is NULL. The vulnerability requires local access and user-level privileges to exploit, with no patch currently available.
A deadlock vulnerability in the Linux kernel's hugetlb file folio migration code allows a local privileged user to cause a denial of service by triggering conflicting lock acquisitions between folio locks and memory mapping semaphores. The vulnerability occurs when migrate_pages() and hugetlbfs_fallocate() operations compete for locks in opposite orders, freezing affected processes. No patch is currently available for this medium-severity issue.
The Linux kernel's uacce subsystem can hang during device cleanup when cdev_device_add fails, as subsequent calls to cdev_device_del attempt to release already-freed memory. Local users with sufficient privileges can trigger a denial of service by causing the device initialization to fail, resulting in a system hang. A patch is not currently available.
A memory leak in the Linux kernel's GUE (Generic UDP Encapsulation) implementation occurs when processing packets with inner IP protocol 0, allowing a local attacker to cause a denial of service by exhausting kernel memory. The vulnerability exists because gue_udp_recv() fails to properly handle protocol 0 during packet resubmission, resulting in unreferenced skb objects that are never freed. No patch is currently available for this medium-severity issue affecting the Linux kernel.
The Linux kernel uacce driver improperly validates callback function implementations before creating isolation policy sysfs files, allowing local users with sufficient privileges to trigger a system crash by accessing unimplemented callback functions. This denial of service vulnerability affects systems where device isolation is configured but callback functions are incompletely implemented. No patch is currently available.
CVE-2026-23093 is a security vulnerability (CVSS 5.5). Remediation should follow standard vulnerability management procedures.
Local stack buffer overflow in the Linux kernel's AD3552R DAC driver allows a local authenticated attacker to write beyond allocated buffer boundaries through improper bounds checking in the ad3552r_hs_write_data_source function. An attacker with local access can trigger out-of-bounds writes on the stack, potentially leading to privilege escalation or denial of service. No patch is currently available for this vulnerability.
The Linux kernel's Intel Trace Hub driver fails to properly release device references during output device operations, leading to resource exhaustion on systems with local access. A local authenticated user can trigger this memory leak through repeated open/close cycles or error conditions, potentially causing denial of service. No patch is currently available for this vulnerability.
The Linux kernel's Slimbus core driver fails to properly release device references when processing report-present messages, leading to a memory leak that can exhaust system resources. A local attacker with user privileges can trigger this leak by causing repeated Slimbus device registration events, potentially causing a denial of service through memory exhaustion. No patch is currently available for this vulnerability.
A use-after-free vulnerability in the Linux kernel's ALSA USB audio mixer can be triggered by local attackers with low privileges when mixer initialization fails, causing the kernel to access freed memory during sound card registration and potentially leading to information disclosure or denial of service. The flaw affects Linux systems with USB audio devices and remains unpatched, exploitable without user interaction after initial access to the system.
Linux kernel null pointer dereference in the tracing subsystem causes a denial of service when synthetic events reference stacktrace fields from other synthetic events. Local users with tracing permissions can trigger a kernel crash by creating chained synthetic events that pass stacktrace data between them. No patch is currently available for this vulnerability.
The Linux kernel's Xen SCSI backend driver fails to properly deallocate memory for vscsiblk_info structures during device removal and error handling, allowing local users with appropriate privileges to trigger denial of service through memory exhaustion. The vulnerability exists because scsiback_remove() does not free memory allocated in scsiback_probe(), resulting in persistent memory leaks when removing the device or during probe failures. No patch is currently available for this issue.
Local denial of service in Linux kernel vsock virtio transport allows a local attacker with unprivileged user privileges to exhaust host memory by advertising a large peer buffer size and reading data slowly, forcing the kernel to queue excessive sk_buff allocations. The vulnerability affects both guest-to-host and host-to-guest communication paths due to shared code between virtio transports. No patch is currently available.
The GICv3 interrupt controller driver in the Linux kernel on 32-bit systems with CONFIG_ARM_LPAE can truncate physical memory addresses above the 4GB limit when storing them in 32-bit variables, potentially causing system crashes or memory corruption. A local attacker with kernel-level privileges could trigger this condition through memory allocation patterns that force addresses into higher physical memory ranges. This vulnerability affects Linux systems using ARM Large Physical Address Extension with 32-bit address space configurations.
A null pointer dereference vulnerability in the Linux kernel's be2net driver allows local users with low privileges to cause a denial of service by triggering a crash through improper parameter handling in the be_cmd_get_mac_from_list() function. The vulnerability occurs when the driver passes both a false pmac_id_valid flag and a NULL pointer to this function, causing the kernel to dereference the invalid pointer. No patch is currently available for this issue.
Local privilege escalation in the Linux kernel's FOU (Foo-over-UDP) tunnel implementation allows authenticated local users to trigger a memory leak and denial of service by setting the FOU_ATTR_IPPROTO attribute to zero, causing network packets to remain unfreed in memory. This vulnerability affects all Linux systems with the vulnerable kernel code and requires local access to exploit. No patch is currently available for this high-severity issue.
The Linux kernel's CAN gs_usb driver contains a denial of service vulnerability where failure to submit a USB request results in an anchored URB that is never released, causing the device close function to hang indefinitely. A local attacker with USB device access can trigger this condition by causing usb_submit_urb() to fail, blocking system operations. No patch is currently available for this medium-severity flaw.