Title

The Kubernetes kubeadm must be owned by root. (Cat II impact)

Discussion

The Kubernetes kubeeadm.conf contains sensitive information regarding the cluster nodes configuration. If this file can be modified, the Kubernetes Platform Plane would be degraded or compromised for malicious intent. Many of the security settings within the document are implemented through this file.

Check Content

Review the Kubernetes kubeadm by using the command: stat -c %U:%G /usr/bin/kubeadm| grep -v root:root If the command returns any non root:root file permissions, this is a finding.

Fix Text

Change the ownership of the kubeadm to root: root by executing the command: chown root:root /user/bin/kubeadm

Additional Identifiers

Rule ID: SV-242454r712718_rule

Vulnerability ID: V-242454

Group Title: SRG-APP-000516-CTR-001325

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.