CVE-2026-53141 drm/v3d: Fix global performance monitor reference counting

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix global performance monitor reference counting In the SETGLOBAL ioctl, v3dperfmonfind bumps the reference count on the perfmon it returns, but v3dperfmonsetglobalioctl and v3dperfmondelete fail to release that referen...

EUVD-2026-38839

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Fix potential use-after-free in gettimestamp Move the phc-active check and resp pointer assignment to after acquiring the spinlock. Previously, phc-active was checked without holding the lock, and resp was cached...

CVE-2026-53026

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

CVE-2026-52971

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Fix potential use-after-free in gettimestamp Move the phc-active check and resp pointer assignment to after acquiring the spinlock. Previously, phc-active was checked without holding the lock, and resp was cached...

CVE-2026-53109

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

CVE-2026-53129

CVE-2026-53129 affects the Linux kernel mbcache shrink path. The bug occurs when mb_cache_destroy() frees memory without canceling the pending c_shrink_work, allowing mb_cache_shrink_worker() to access freed memory if mb_cache_entry_create() scheduled work via schedule_work() and the work item is...

CVE-2026-52955 libceph: Fix potential out-of-bounds access in crush_decode()

In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in crushdecode A message of type CEPHMSGOSDMAP containing a crush map with at least one bucket has two fields holding the bucket algorithm. If the values in these two fields differ, an...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed a race condition in QP timer handlers. The following warning was encountered: WARNING: drivers/infiniband/sw/rxe/rxetask.c:249 at rxeschedtask+0x1c8/0x238 rdmarxe, CPU0: swapper/0/0 … libsha1 last unloaded:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Pass netdev to mlx5edestroynetdev instead of priv mlx5epriv is an unstable structure that can be memset0 if profile attachment fails. Pass netdev to mlx5edestroynetdev to ensure that it works with a valid netdev. On...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/atmel-hlcdc: fixed a memory leak from the atomicDestroystate callback. After several commits, the amount of slated memory increased. Some drcmroccommit objects were not freed. The atomicDestroystate callback only freed the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fixed the issue of leaking the multicast GID table reference. If the CM ID is destroyed while the CM event for multicast creation is still queued, the cancelworksync function will prevent the work from running. This also...

CVE-2026-52930

In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr under shmidsns.rwsem, but that does not serialize all fields tested by shmmaydestroy. In particular, shmnattch is updated while holding...

UBUNTU-CVE-2026-52930

In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr under shmidsns.rwsem, but that does not serialize all fields tested by shmmaydestroy. In particular, shmnattch is updated while holding...

EUVD-2026-38700

In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr under shmidsns.rwsem, but that does not serialize all fields tested by shmmaydestroy. In particular, shmnattch is updated while holding...

CVE-2026-52930

CVE-2026-52930 (Linux kernel) : The issue is in ipc/shm: orphan cleanup cleanup of shm segments. shm_nattch was updated while holding shm_perm.lock, but shm_destroy_orphaned() traversed shm_ids(ns).rwsem, leading to a race where an orphaned segment could be considered removable before the destina...

CVE-2026-52930 ipc/shm: serialize orphan cleanup with shm_nattch updates

In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr under shmidsns.rwsem, but that does not serialize all fields tested by shmmaydestroy. In particular, shmnattch is updated while holding...

PT-2026-51865

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the get timestamp function of the ENA network driver. The problem occurs because the phc-active check and the assignment of the resp pointer were perform...

Siemens RUGGEDCOM RST2428P Improper Update of Reference Count (CVE-2025-40251)

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devlratenodesdestroy The function devlratenodesdestroy is documented to Unset parent for all rate objects. However, it was only calling the driver-specific rateleafparentset or...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: use-after-free in miSyncDestroyFence()

A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence. A client that sets up multiple fence triggers can trigger a use-after-free function pointer call. An attacker would connect to the X server to set up a fence and await that fence, then a second X connection...

SUSE-SU-2026:2426-1 Security update for xwayland

This update for xwayland fixes the following issues: - CreateSaverWindow Use-After-Free Information Disclosure. bsc1266301 - Font Alias Stack-based Buffer Overflow. bsc1266294 - GLX ChangeDrawableAttributes Out-Of-Bounds Read/Write. bsc1266300 - XKB Key Types Stack-based Buffer Overflow. bsc12662...