CVE-2023-6240: Linux Kernel

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: affected versions not specified
• Red Hat Enterprise Linux: version 7.0 only; version 8.0 only; version 9.0 only

Published 2024-02-04. Last modified 2026-06-17.