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
- EPSS Score
- 0.01% (percentile: 2.1%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
Revision History
- 2026-05-14: Information published.