git.kernel.org
https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1 CVE-2026-68451
HIGH
s390/zcrypt: Validate length for CCA ECC private key requests
Record summary
CVE-2026-68451 has a selected CVSS score of 7.8 (high).
Description
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.
Description source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
LinuxBrowse Linux / LinuxDefault status: unaffected, affected | CVE List | fa6999e326fe7851ecbd572b8cb9be8e930ebf41 to < dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e | affected |
| fa6999e326fe7851ecbd572b8cb9be8e930ebf41 to < ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5 | affected | ||
| fa6999e326fe7851ecbd572b8cb9be8e930ebf41 to < 013a4484f061a2b41f052e25c0015203287e63f1 | affected | ||
| fa6999e326fe7851ecbd572b8cb9be8e930ebf41 to < 8fa3e9435a13c335efb63fb4f4e77531a0031159 | affected | ||
| fa6999e326fe7851ecbd572b8cb9be8e930ebf41 to < a9ae0f6dd45c3ccc1d69363f7aea8af179122730 | affected | ||
| 5.10 | affected | ||
| Before 5.10 | unaffected | ||
| 6.6.151 to ≤ 6.6.* | unaffected | ||
| 6.12.103 to ≤ 6.12.* | unaffected | ||
| 6.18.44 to ≤ 6.18.* | unaffected | ||
| 7.1.8 to ≤ 7.1.* | unaffected | ||
| 7.2-rc6 to ≤ * | unaffected |
References
6git.kernel.org
https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159 git.kernel.org
https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730 git.kernel.org
https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e git.kernel.org
https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5 nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-68451