CVE-2026-23398: icmp: fix NULL pointer dereference in icmp_tag_validation()
Overview
- Severity
- Medium (CVSS 6.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/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: 6.8%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 2 repositories
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.