CVE-2026-46071: KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12

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

2026-05-28

Last Updated

2026-06-28

EPSS Score

0.12% (percentile: 2.3%)

Affected Products (3)

Other

• 21474-17084
• 21443-17084

Open Source Software

• azl3 kernel 6.6.139.1-1 on Azure Linux 3.0

Revision History

• 2026-05-28: Information published.
• 2026-05-28: Information published.
• 2026-06-17: Information published.
• 2026-06-28: Information published.