CVE-2026-23248: perf/core: Fix refcount bug and potential UAF in perf_mmap
Overview
- Severity
- High (CVSS 7)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-19
- Last Updated
- 2026-03-20
- EPSS Score
- 0.01% (percentile: 3.2%)
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.