CVE-2026-68452High· 7.8▾ TwilightIn 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 i…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.1%
Last analysed / modified upstream
0.1% → 0.1%
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.
Linux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < be037204e4f595e4bd2159acda146677a1dc6342Linux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 4e500ecb6704d879f9c2417c2ed6faba595015caLinux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 7f9e5a3dbb14a9b321a1dfa30390402c673f82dcLinux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 406b317ea2b501f6f5eca1264293c9399a73a778Linux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 4fc46deceda076d429ef3fab2ccf8d96629ebd23Linux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < ad93a1f1a45652478c0cf4eb029114e03af57f3bLinux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 3859f630b674801a00bca39bc451f52288591f65Linux >= 4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd < 06afe425d5283b9764303de47f554da5a808ce8aLinux 5.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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