CVE-2026-23231: netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
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-Mar
- Released
- 2026-03-05
- Last Updated
- 2026-03-31
- EPSS Score
- 0.01% (percentile: 3.3%)
Affected Products (3)
Open Source Software
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
Revision History
- 2026-03-05: Information published.
- 2026-03-19: Information published.
- 2026-03-20: Information published.
- 2026-03-27: Information published.
- 2026-03-31: Information published.