CVE-2026-31593: KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-26
- Last Updated
- 2026-04-29
- EPSS Score
- 0.01% (percentile: 3.3%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
Revision History
- 2026-04-26: Information published.
- 2026-04-27: Information published.
- 2026-04-29: Information published.