CVE-2023-53815

A flaw was found in the Linux kernel’s POSIX timer implementation where the itimer_delete() function enters a retry loop if the timer is concurrently expired. On systems with POSIX CPU timers and the HAVE_POSIX_CPU_TIMERS_TASK_WORK option enabled (including RT-configured kernels), the existing task may livelock while preempting the timer delivery callback

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.