{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T19:56:52.378","vulnerabilities":[{"cve":{"id":"CVE-2023-53815","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-09T01:16:53.717","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nposix-timers: Prevent RT livelock in itimer_delete()\n\nitimer_delete() has a retry loop when the timer is concurrently expired. On\nnon-RT kernels this just spin-waits until the timer callback has completed,\nexcept for posix CPU timers which have HAVE_POSIX_CPU_TIMERS_TASK_WORK\nenabled.\n\nIn that case and on RT kernels the existing task could live lock when\npreempting the task which does the timer delivery.\n\nReplace spin_unlock() with an invocation of timer_wait_running() to handle\nit the same way as the other retry loops in the posix timer code."}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/0670c4c567b27bd8f999a943028f4fe60d1a1106","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9d9e522010eb5685d8b53e8a24320653d9d4cbbf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c1968bb8a28625cc95d2ad3ca872ab98c9c36d59","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e7aff15ba29ba4b3052786b1636fa5c4aa39e179","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f1be1ed32daa053484222f7f9beb2b16c624dffd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f9bd298e3e4d3fd6e19f017789a42d0f332cd555","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}