CVE-2026-89476: sctp: fix stream->outcnt underflow on duplicate RECONF responses
Overview
- Severity
- Medium (CVSS 6.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Sep
- Released
- 2026-09-13
- Last Updated
- 2026-10-02
- EPSS Score
- 0.70% (percentile: 52.9%)
Affected Products (2)
Open Source Software
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
Security Updates (1)
Revision History
- 2026-09-13: Information published.
- 2026-09-14: Information published.
- 2026-09-23: Information published.
- 2026-09-23: Information published.
- 2026-09-25: Information published.
- 2026-10-02: Information published.