CVE-2026-80622 char: tlclk: fix use-after-free in tlclk_cleanup()

In the Linux kernel, the following vulnerability has been resolved: char: tlclk: fix use-after-free in tlclkcleanup This patch improves the module cleanup process in the tlclk driver to prevent potential use-after-free and race conditions. Currently, the fileoperations structure does not specify...

UBUNTU-CVE-2026-80572

In the Linux kernel, the following vulnerability has been resolved: Input: byd - synchronize timer deletion before freeing private data byddisconnect uses timerdelete before freeing the driver's private data. This does not wait for a running bydcleartouch callback, which dereferences the private...

CVE-2026-72321 ipv4: igmp: Fix potential memory leaks in igmp_mod_timer() and igmp_stop_timer()

In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: Fix potential memory leaks in igmpmodtimer and igmpstoptimer When a timer is deleted and not re-armed in igmpmodtimer, or stopped in igmpstoptimer, the code currently decrements the reference counter of the multicast...

AZL-94998 CVE-2026-68198 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix use-after-free in aggrresetstate The aggrresetstate function uses timerdelete non-synchronous for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like...

SUSE CVE-2026-64560

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

EUVD-2026-50417

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

CVE-2026-64560 posix-cpu-timers: Prevent UAF caused by non-leader exec() race

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-leader exec race Wongi and Jungwoo decoded and reported a non-leader exec related race which can result in an UAF: systimerdelete exec posixcputimerdel // Observes old leader p =...

CVE-2026-64560

CVE-2026-64560 documents a Linux kernel issue in posix-cpu-timers that can cause a Use-After-Free when a timer is deleted during a non-leader exec() race. The vulnerability arises as sys_timer_delete() may observe an old leader while a leader change occurs, leading to a freed posix timer object b...

CVE-2026-64370 posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Fix pid refcount leak in docpunanosleep error path In docpunanosleep, posixcputimercreate takes a pid reference via getpid and stores it in timer.it.cpu.pid. If the subsequent posixcputimerset call fails, the...

CVE-2026-64370 posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Fix pid refcount leak in docpunanosleep error path In docpunanosleep, posixcputimercreate takes a pid reference via getpid and stores it in timer.it.cpu.pid. If the subsequent posixcputimerset call fails, the...

CVE-2026-46069

A flaw was found in the Linux kernel's mwifiex Wi-Fi driver. The mwifiexadaptercleanup function incorrectly uses a non-synchronous timer deletion, allowing the wakeuptimer callback to access memory after it has been freed. This use-after-free vulnerability can lead to system instability, crashes,...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013399)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013399 advisory. In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: Fix uaf in timerdeletesync There are two paths to access mptcppmdeladdtimer, result in...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

CVE-2026-23281

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix use-after-free in lbsfreeadapter The lbsfreeadapter function uses timerdelete non-synchronous for both commandtimer and txlockuptimer before the structure is freed. This is incorrect because timerdelete does n...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of asynchronous timer deletion. This vulnerability may lead to reuse of resources after...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004957)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004957 advisory. In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting...

CVE-2025-68757

In the Linux kernel, the following vulnerability has been resolved: drm/vgem-fence: Fix potential deadlock on release A timer that expires a vgem fence automatically in 10 seconds is now released with timerdeletesync from fence-ops.release called on last dmafenceput. In some scenarios, it can run...

Linux Distros Unpatched Vulnerability : CVE-2025-68757

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/vgem-fence: Fix potential deadlock on release A timer that expires a vgem fence automatically in 10 seconds is now released with timerdeletesync from...

CVE-2025-40257

CVE-2025-40257 affects the Linux kernel MPTCP implementation, specifically a race in mptcp_pm_del_add_timer() where sk_stop_timer_sync may run while an entry is freed, risking use-after-free. The issue is resolved by introducing RCU protection around the timer flow and replacing the add_timer fla...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-384485)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-384485 advisory. In the Linux kernel, the following vulnerability has been resolved: media: bttv: fix use after free error due to btv-timeout timer There may be some a race conditio...