CVE-2026-43338: btrfs: reserve enough transaction items for qgroup ioctls
Overview
- Severity
- Medium (CVSS 5.5)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-05-09
- Last Updated
- 2026-08-07
- EPSS Score
- 0.11% (percentile: 1.7%)
Affected Products (7)
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
- azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.143.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.144.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.145.2-1 on Azure Linux 3.0
Revision History
- 2026-05-09: 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.
- 2026-08-07: Information published.