CVE-2026-68451 | BDVDB-2026-358968 Detail
LinuxLinux
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
References#
- https://git.kernel.org/stable/c/7dc306ff7c4d951582adaae65e0aee9fb4968dbe
- https://git.kernel.org/stable/c/447a37a6bef11bfd3645069e380460b11386e2b9
- https://git.kernel.org/stable/c/f0831f13c42c1261d449dcee8a035e1c6cd9fcaa
- https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
- https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
- https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1
- https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159
- https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.