DEBIAN-CVE-2026-68453

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix buffer over-read in ccacipher2protkey Add validation of both the actual key buffer size and token length fields in all the ccachecksectoken functions. Additionally check in ccagencipherkey for possible underflow...

CVE-2026-68453

CVE-2026-68453 affects the Linux kernel, s390/zcrypt: a buffer over-read/under-run was possible due to insufficient validation of user-controlled length fields in CCA token structures (cca_check_sec*token() and related key handling). The fix enforces that the key buffer length is at least the tok...

Linux Distros Unpatched Vulnerability : CVE-2026-68453

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/zcrypt: Fix buffer over-read in ccacipher2protkey Add validation of both the actual key buffer size and token length fields in all the ccachecksectoken...