CVE-2023-3108: Linux Kernel

Medium severity, CVSS 4.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.

Affected products

• Linux Linux Kernel: before 4.0 (fixed in 4.0)

Published 2023-07-11. Last modified 2026-06-17.