CVE-2026-68451
In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca_ecc2
CVSS
7.8
High
EPSS
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KEV
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Exploit Today
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0-100
Published: Aug 13, 2026 · Last modified: Aug 13, 2026
Not enough EPSS history yet.
In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca_ecc2protkey() 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.
- git.kernel.orghttps://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1
- git.kernel.orghttps://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159
- git.kernel.orghttps://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730
- git.kernel.orghttps://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
- git.kernel.orghttps://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
No related CVEs by CWE or product.