CVE-2026-80921: KVM: s390: vsie: zero stale crypto bits

Overview

Severity

Medium (CVSS 4.2)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-11

EPSS Score

0.13% (percentile: 2.6%)

Affected Products (1)

Other

• 21684-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-11: Information published.