CVE-2022-27650: Crun Project Crun

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

Affected products

• Crun Project Crun: before 1.4.4 (fixed in 1.4.4)
• Fedoraproject Fedora: version 34 only
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Openshift Container Platform: version 4.0 only

Published 2022-04-04. Last modified 2026-06-17.