CVE-2026-63940: KVM: SEV: Ignore Port I/O requests of length '0'
Overview
- Severity
- High (CVSS 7.7)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jul
- Released
- 2026-07-21
- EPSS Score
- 0.18% (percentile: 8.1%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.144.1-1 on Azure Linux 3.0
Revision History
- 2026-07-21: Information published.