CVE-2026-68452high

s390/zcrypt: Validate length for CCA AES cipher key requests

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.8epss 0.2%

probabilidad de explotación

0.2%top 94% de las CVE

explotación observada

noninguna fuente lo reporta

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests cca_cipher2protkey() 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

Productos afectados

Linux · Linux

Referencias

https://git.kernel.org/stable/c/06afe425d5283b9764303de47f554da5a808ce8a https://git.kernel.org/stable/c/3859f630b674801a00bca39bc451f52288591f65 https://git.kernel.org/stable/c/406b317ea2b501f6f5eca1264293c9399a73a778 https://git.kernel.org/stable/c/4e500ecb6704d879f9c2417c2ed6faba595015ca https://git.kernel.org/stable/c/4fc46deceda076d429ef3fab2ccf8d96629ebd23 https://git.kernel.org/stable/c/7f9e5a3dbb14a9b321a1dfa30390402c673f82dc https://git.kernel.org/stable/c/ad93a1f1a45652478c0cf4eb029114e03af57f3b https://git.kernel.org/stable/c/be037204e4f595e4bd2159acda146677a1dc6342