CVE-2026-31706: ksmbd: validate num_aces and harden ACE walk in smb_inherit_dacl()
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-02
- Last Updated
- 2026-05-22
- EPSS Score
- 0.37% (percentile: 28.5%)
Affected Products (4)
Open Source Software
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
Revision History
- 2026-05-02: Information published.
- 2026-05-04: Information published.
- 2026-05-06: Information published.
- 2026-05-11: Information published.
- 2026-05-17: Information published.
- 2026-05-22: Information published.