Description
In the Linux kernel, the following vulnerability has been resolved:

s390/zcrypt: Validate length for CCA AES cipher key requests

cca_cipher2protkey() derives the copy length for the CPRB parameter
block directly from the length field in the key token. Reject the
request early if the token length exceeds the available space in the
parameter block.
Published: 2026-08-13
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 13 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
CWE-665

Thu, 13 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests cca_cipher2protkey() derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject the request early if the token length exceeds the available space in the parameter block.
Title s390/zcrypt: Validate length for CCA AES cipher key requests
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-13T13:59:54.840Z

Reserved: 2026-07-30T09:28:09.395Z

Link: CVE-2026-68452

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-13T15:19:57.970

Modified: 2026-08-13T15:19:57.970

Link: CVE-2026-68452

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T16:30:03Z

Weaknesses