CVE-2026-23406: apparmor: fix side-effect bug in match_char() macro usage

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-10
Last Updated
2026-04-29
EPSS Score
0.01% (percentile: 0.6%)

Affected Products (2)

Open Source Software

  • azl3 kernel 6.6.0.0-1 on Azure Linux 3.0
  • cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0

Revision History

  • 2026-04-10: Information published.
  • 2026-04-26: Information published.
  • 2026-04-29: Information published.