CVE-2026-68451
s390/zcrypt: Validate length for CCA ECC private key requests
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5 fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < 013a4484f061a2b41f052e25c0015203287e63f1 fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < 8fa3e9435a13c335efb63fb4f4e77531a0031159 fa6999e326fe7851ecbd572b8cb9be8e930ebf41 < a9ae0f6dd45c3ccc1d69363f7aea8af179122730
Linux / Linux
5.10
References
git.kernel.org: https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e git.kernel.org: https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5 git.kernel.org: https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1 git.kernel.org: https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159 git.kernel.org: https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730