CVE-2026-23248: perf/core: Fix refcount bug and potential UAF in perf_mmap
Overview
- Severity
- Medium (CVSS 5.5)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-19
- Last Updated
- 2026-05-22
- EPSS Score
- 0.12% (percentile: 2.1%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
Revision History
- 2026-03-19: Information published.
- 2026-03-20: Information published.
- 2026-05-22: Information published.