Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: posix-timers: A situation where livelock occurs in itimerdelete has been addressed. Itimerdelete includes a retry loop when the timer expires simultaneously. On non-RT kernels, this simply involves waiting until the timer callbac...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013053)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013053 advisory. In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010849)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010849 advisory. In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is...

CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

SUSE CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

EUVD-2023-60091

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

DEBIAN-CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

UBUNTU-CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815

CVE-2023-53815 affects the Linux kernel’s posix timers handling. It describes an RT livelock in itimer_delete() when the timer is concurrently expired; on non-RT kernels this retries by spin-waiting, except for posix CPU timers with HAVE_POSIX_CPU_TIMERS_TASK_WORK. The fix replaces a spin_unlock(...

CVE-2023-53815 posix-timers: Prevent RT livelock in itimer_delete()

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815 posix-timers: Prevent RT livelock in itimer_delete()

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

PT-2025-49675

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a flaw in the posix-timers functionality, specifically within the itimer delete function. A retry loop within this function, when handling concurrent timer...