CVE-2026-23014
perf: Ensure swevent hrtimer is properly destroyed
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 28, 2026 |
| Last Updated | Apr 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
eb3182ef0405ff2f6668fd3e5ff9883f60ce8801 < deee9dfb111ab00f9dfd46c0c7e36656b80f5235 eb3182ef0405ff2f6668fd3e5ff9883f60ce8801 < ff5860f5088e9076ebcccf05a6ca709d5935cfa9 6b8c512811644cf2f5eaf6f44e928683c54127f0
Linux / Linux
6.18