CVE-2026-31477: ksmbd: fix memory leaks and NULL deref in smb2_lock()
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-23
- Last Updated
- 2026-04-30
- EPSS Score
- 0.08% (percentile: 22.9%)
Affected Products (2)
Open Source Software
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
Revision History
- 2026-04-23: Information published.
- 2026-04-23: Information published.
- 2026-04-29: Information published.
- 2026-04-29: Information published.
- 2026-04-30: Information published.