CVE-2026-31493: RDMA/efa: Fix use of completion ctx after free
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-Apr
- Released
- 2026-04-23
- Last Updated
- 2026-07-12
- EPSS Score
- 0.13% (percentile: 2.8%)
Affected Products (9)
Open Source Software
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
Other
- 21332-17084
- 21580-17084
- 21308-17084
- 21344-17084
- 21443-17084
- 21474-17084
Revision History
- 2026-04-23: Information published.
- 2026-04-23: Information published.
- 2026-04-24: Information published.
- 2026-04-29: Information published.
- 2026-04-30: Information published.
- 2026-05-06: 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.