Red Hat OpenShift
TMA-OPENSHIFT-5.2.4
Minimize the admission of containers wishing to share the host network namespace
HighLevel 1Manual reviewopenshift
Description
Do not generally permit containers to be run with the hostNetwork flag set to true. The benchmark marks this recommendation Manual.
How it is checked
Audit method: Manual review
This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.
Use the following command to list all SCCs with allowHostNetwork set to false: oc get scc -A -o json | jq '.items[] | select(.allowHostNetwork==false) | .metadata.name' Verify at least one SCC is returned.
How it is fixed
Fix method: Guidance or infrastructure patch
Create an SCC that sets allowHostNetwork to false and take it into use by assigning it to applicable users and groups.
Properties
- Operating systems
- Any
- Tags
- openshiftpoliciespod-securitynetwork
- Reference
- CIS Red Hat OpenShift Container Platform Benchmark v2.0.0 - 5.2.4 Minimize the admission of containers wishing to share the host network namespace