CVE-2026-68451

Impact

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.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1
• https://git.kernel.org/stable/c/447a37a6bef11bfd3645069e380460b11386e2b9
• https://git.kernel.org/stable/c/7dc306ff7c4d951582adaae65e0aee9fb4968dbe
• https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159
• https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730
• https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
• https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
• https://git.kernel.org/stable/c/f0831f13c42c1261d449dcee8a035e1c6cd9fcaa