CVE-2026-43249: 9p/xen: protect xen_9pfs_front_free against concurrent calls
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-13
- Last Updated
- 2026-06-17
- EPSS Score
- 0.24% (percentile: 15.2%)
Affected Products (3)
Open Source Software
- 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
Revision History
- 2026-05-13: Information published.
- 2026-05-17: Information published.
- 2026-05-22: Information published.
- 2026-06-17: Information published.