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The Kubernetes component manifests must be owned by root.


Finding ID Version Rule ID IA Controls Severity
V-242444 CNTR-K8-003110 SV-242444r864016_rule Medium
The Kubernetes manifests are those files that contain the arguments and settings for the Control Plane services. These services are etcd, the api server, controller, proxy, and scheduler. If these files can be changed, the scheduler will be implementing the changes immediately. Many of the security settings within the document are implemented through these manifests.
Kubernetes Security Technical Implementation Guide 2022-12-02


Check Text ( C-45719r712686_chk )
Review the ownership of the Kubernetes manifests files by using the command:

stat -c %U:%G /etc/kubernetes/manifests/* | grep -v root:root

If the command returns any non root:root file permissions, this is a finding.
Fix Text (F-45677r712687_fix)
Change the ownership of the manifest files to root: root by executing the command:

chown root:root /etc/kubernetes/manifests/*