7.8

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_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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 6.17.8 < 6.18
LinuxLinux Kernel Version >= 6.18.1 < 6.18.6
LinuxLinux Kernel Version6.18 Update-
LinuxLinux Kernel Version6.19 Updaterc1
LinuxLinux Kernel Version6.19 Updaterc2
LinuxLinux Kernel Version6.19 Updaterc3
LinuxLinux Kernel Version6.19 Updaterc4
LinuxLinux Kernel Version6.19 Updaterc5
LinuxLinux Kernel Version6.19 Updaterc6
LinuxLinux Kernel Version6.19 Updaterc7
LinuxLinux Kernel Version6.19 Updaterc8
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.051
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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