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.
History

Wed, 28 Jan 2026 14:45:00 +0000

Type Values Removed Values Added
Description 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.
Title perf: Ensure swevent hrtimer is properly destroyed
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-01-28T14:24:44.189Z

Reserved: 2026-01-13T15:37:45.940Z

Link: CVE-2026-23014

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-28T15:16:17.833

Modified: 2026-01-28T15:16:17.833

Link: CVE-2026-23014

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.