CVE-2023-6240 Information

Description

A Marvin vulnerability side-channel leakage was found in the RSA decryption operation in the Linux Kernel. This issue may allow a network attacker to decrypt ciphertexts or forge signatures limiting the services that use that private key.

Reference

https://access.redhat.com/security/cve/CVE-2023-6240 https://bugzilla.redhat.com/show_bug.cgi?id=2250843 https://people.redhat.com/~hkario/marvin/ https://securitypitfalls.wordpress.com/2023/10/16/experiment-with-side-channel-attacks-yourself/