CVE-2026-68453: s390/zcrypt: Fix buffer over-read in cca_cipher2protkey

Overview

Severity

High (CVSS 7.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-14

EPSS Score

0.13% (percentile: 2.8%)

Affected Products (1)

Other

• 21684-17084

Revision History

• 2026-08-14: Information published.