CVE-2026-23014perf: Ensure swevent hrtimer is properly destroyed
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Aug 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from eb3182ef0405ff2f6668fd3e5ff9883f60ce8801 before deee9dfb111ab00f9dfd46c0c7e36656b80f5235; from eb3182ef0405ff2f6668fd3e5ff9883f60ce8801 before ff5860f5088e9076ebcccf05a6ca709d5935cfa9; 6b8c512811644cf2f5eaf6f44e928683c54127f0; from 6.17.8 before 6.18 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.17.8 before 6.18; from 6.18.1 before 6.18.6; 6.18; 6.19; 6.19; 6.19; 6.19; 6.19; and 3 more ranges | NVD |
References
- https://git.kernel.org/stable/c/deee9dfb111ab00f9dfd46c0c7e36656b80f5235patch
- https://git.kernel.org/stable/c/ff5860f5088e9076ebcccf05a6ca709d5935cfa9patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.