CVE-2026-43198: tcp: fix potential race in tcp_v6_syn_recv_sock()
Overview
- Severity
- Medium (CVSS 4.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-07
- Last Updated
- 2026-07-12
- EPSS Score
- 0.30% (percentile: 22.1%)
Affected Products (6)
Open Source Software
- azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
Other
- 21443-17084
- 21580-17084
- 21474-17084
Revision History
- 2026-05-07: Information published.
- 2026-05-07: Information published.
- 2026-05-08: Information published.
- 2026-05-11: Information published.
- 2026-05-17: Information published.
- 2026-05-22: Information published.
- 2026-06-17: Information published.
- 2026-06-28: Information published.
- 2026-07-12: Information published.