CVE-2026-43220: iommu/amd: serialize sequence allocation under concurrent TLB invalidations
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-May
- Released
- 2026-05-14
- Last Updated
- 2026-06-23
- EPSS Score
- 0.13% (percentile: 2.8%)
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
- 2026-05-14: Information published.
- 2026-05-17: Information published.
- 2026-06-17: Information published.
- 2026-06-23: Information published.