CVE-2026-23397: nfnetlink_osf: validate individual option lengths in fingerprints

Overview

Severity
Medium (CVSS 4.4)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-27
Last Updated
2026-04-27
EPSS Score
0.02% (percentile: 4.1%)

Affected Products (2)

Open Source Software

  • azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
  • cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0

Revision History

  • 2026-03-27: Information published.
  • 2026-03-27: Information published.
  • 2026-04-26: Information published.
  • 2026-04-27: Information published.