{"cve":"CVE-2026-68452","nvd":{"published":"2026-08-13T15:19:57.970","modified":"2026-10-19T22:17:19.950","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/zcrypt: Validate length for CCA AES cipher key requests\n\ncca_cipher2protkey() derives the copy length for the CPRB parameter\nblock directly from the length field in the key token. Reject the\nrequest early if the token length exceeds the available space in the\nparameter block.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-120"],"references":["https://git.kernel.org/stable/c/06afe425d5283b9764303de47f554da5a808ce8a","https://git.kernel.org/stable/c/3859f630b674801a00bca39bc451f52288591f65","https://git.kernel.org/stable/c/406b317ea2b501f6f5eca1264293c9399a73a778","https://git.kernel.org/stable/c/4e500ecb6704d879f9c2417c2ed6faba595015ca","https://git.kernel.org/stable/c/4fc46deceda076d429ef3fab2ccf8d96629ebd23"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:56:58.798400159+00:00"},"epss":{"cve":"CVE-2026-68452","score":0.0013,"percentile":0.02579,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}