CVE-2026-23014 — perf: Ensure swevent hrtimer is properly destroyed
In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimer_try_to_cancel() in perf_sweve…
Published: 2026-01-28 · CVSS: 7.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: perf: Ensure swevent hrtimer is properly destroyed With the change to hrtimer_try_to_cancel() in perf_swevent_cancel_hrtimer() it appears possible for the hrtimer to still be active by the time the event gets freed. Make sure the event does a full hrtimer_cancel() on the free path by installing a perf_event::destroy handler.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7