CVE-2026-68452 — s390/zcrypt: Validate length for CCA AES cipher key requests
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 f…
Published: 2026-08-13 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7