CVE-2026-89643

CVE-2026-89643 is a use-after-free in the Linux kernel's audit subsystem . The function audit_del_rule() unconditionally releases a tree reference via audit_put_tree(), which is correct for netlink deletion templates but incorrect for fsnotify autoremove events. For mixed AUDIT_DIR + AUDIT_EXE ru...

CVE-2026-89643 audit: avoid dropping live tree ref on fsnotify rule autoremove

In the Linux kernel, the following vulnerability has been resolved: audit: avoid dropping live tree ref on fsnotify rule autoremove auditdelrule is used for both netlink deletion templates and internal fsnotify autoremove. The former passes a parsed template which owns a temporary tree reference;...

EUVD-2026-76555

In the Linux kernel, the following vulnerability has been resolved: audit: avoid dropping live tree ref on fsnotify rule autoremove auditdelrule is used for both netlink deletion templates and internal fsnotify autoremove. The former passes a parsed template which owns a temporary tree reference;...

CVE-2026-89643 audit: avoid dropping live tree ref on fsnotify rule autoremove

In the Linux kernel, the following vulnerability has been resolved: audit: avoid dropping live tree ref on fsnotify rule autoremove auditdelrule is used for both netlink deletion templates and internal fsnotify autoremove. The former passes a parsed template which owns a temporary tree reference;...

CVE-2026-89595 fsnotify: Fix stale object mask after concurrent mark updates

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

EUVD-2026-76507

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

CVE-2026-89595

CVE-2026-89595 is a race condition in the Linux kernel's fsnotify subsystem affecting both fanotify and inotify . When concurrent updates modify different marks on the same connector, a scanning thread can read a mark before a new event bit is added, while the updater skips recalculation, leaving...

CVE-2026-89595 fsnotify: Fix stale object mask after concurrent mark updates

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

CVE-2026-89595

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

CVE-2026-89595: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

PT-2026-90311

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.12.95 Description A race condition exists in the fsnotify system affecting fanotify and inotify. When a mark receives a new event bit, the system may skip recalculating the object mask if the cached aggregate already...

CVE-2026-89643: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: audit: avoid dropping live tree ref on fsnotify rule autoremove auditdelrule is used for both netlink deletion templates and internal fsnotify autoremove. The former passes a parsed template which owns a temporary tree reference;...

PT-2026-96360

In the Linux kernel, the following vulnerability has been resolved: fsnotify: Fix stale object mask after concurrent mark updates When a mark gets a new event bit, fanotify and inotify may avoid recalculating the object mask if the cached aggregate already contains that bit. This is racy with a...

PT-2026-90359

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the audit system where the audit del rule function incorrectly handles tree references. The function is used for both netlink deletion templates and internal fsnotify...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring/rw: Defer fsnotify calls to task context. We cannot defer these calls outside of the kiocb completion, as that might be off-soft/hard IRQ context. We should defer the calls until we process the taskwork for this reques...

SUSE CVE-2026-74512

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

CVE-2026-74512

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

CVE-2026-74512 audit: fix potential use-after-free in audit_del_rule()

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

CVE-2026-74512

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

AlmaLinux 10 : kernel (ALSA-2026:53330)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:53330 advisory. kernel: fsnotify: Fix ordering of iput and watchedobjects decrement CVE-2024-53143 kernel: shmem: fix recovery on rename failures CVE-2025-71072 kernel:...