CVE-2026-68452
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://git.kernel.org/stable/c/406b317ea2b501f6f5eca1264293c9399a73a778
- https://git.kernel.org/stable/c/4fc46deceda076d429ef3fab2ccf8d96629ebd23
- https://git.kernel.org/stable/c/ad93a1f1a45652478c0cf4eb029114e03af57f3b
- https://git.kernel.org/stable/c/3859f630b674801a00bca39bc451f52288591f65
- https://git.kernel.org/stable/c/06afe425d5283b9764303de47f554da5a808ce8a
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.