CVE-2026-68451high

s390/zcrypt: Validate length for CCA ECC private key requests

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 7.8epss 0.1%

probabilidade de exploração

0.1%top 97% das CVEs

exploração observada

nãonenhuma fonte reporta

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Produtos afetados

Linux · Linux

Referências

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