CVE-2026-31610: ksmbd: fix mechToken leak when SPNEGO decode fails after token alloc
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-Apr
- Released
- 2026-04-26
- Last Updated
- 2026-05-01
- EPSS Score
- 0.02% (percentile: 6.6%)
Affected Products (3)
Open Source Software
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
Revision History
- 2026-04-26: Information published.
- 2026-04-27: Information published.
- 2026-04-29: Information published.
- 2026-05-01: Information published.
- 2026-05-01: Information published.