CVE-2026-23014

MEDIUM EPSS 1.9%
Published Jan 28, 20265mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jan 28, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
1.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel*≥6.17.8  –  <6.18
linuxlinux_kernel*≥6.18.1  –  <6.18.6
linuxlinux_kernel6.18any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any
linuxlinux_kernel6.19any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/deee9dfb111ab00f9dfd46c0c7e36656b80f5235
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff5860f5088e9076ebcccf05a6ca709d5935cfa9
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/deee9dfb111ab00f9dfd46c0c7e36656b80f5235
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ff5860f5088e9076ebcccf05a6ca709d5935cfa9
    Patch