CVE-2026-31478: ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()
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
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-23
- Last Updated
- 2026-05-01
- EPSS Score
- 0.50% (percentile: 40.0%)
Affected Products (2)
Open Source Software
- 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
- 2026-04-23: Information published.
- 2026-04-23: Information published.
- 2026-04-24: Information published.
- 2026-04-29: Information published.
- 2026-04-29: Information published.
- 2026-04-30: Information published.
- 2026-05-01: Information published.