Query: Minimize the admission of containers wishing to share the host process ID namespace

Description

A container running in the host's PID namespace can inspect processes running outside the container. If the container also has access to ptrace capabilities this can be used to escalate privileges outside of the container. There should be at least one PodSecurityPolicy (PSP) defined which does not permit containers to share the host PID namespace.

Query

Tables used in this query:

• kubernetes_pod_security_policy

Controls using this query:

• 5.2.2 Minimize the admission of containers wishing to share the host process ID namespace
• Minimize the admission of containers wishing to share the host process ID namespace

SQL