CVE-2020-12114: Linux Kernel

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.

Affected products

• Linux Linux Kernel: from 4.4.0, before 4.4.221 (fixed in 4.4.221); from 4.9.0, before 4.9.221 (fixed in 4.9.221); from 4.14, before 4.14.178 (fixed in 4.14.178); from 4.19, before 4.19.119 (fixed in 4.19.119); from 5.0, before 5.3 (fixed in 5.3)

Published 2020-05-04. Last modified 2026-06-17.