CVE-2018-14656: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log.

Affected products

• Linux Linux Kernel: up to and including 4.18; version 4.19 only

Published 2018-10-08. Last modified 2026-06-17.