Improper privilege management in crun - CVE-2022-27650
Published: March 26, 2022 / Updated: April 27, 2026
crun
Container Projects
Description
The vulnerability allows a local user to elevate privileges.
The vulnerability exists due to improper privilege management in crun exec when creating processes inside a linux container. A local user can execute a program with inheritable file capabilities to elevate privileges.
The issue creates a non-empty inheritable capability set by default, but the inheritable set does not exceed the container's bounding set.