Minimize the admission of privileged containers

So wird geprüft

Prüfmethode: Shell-Befehl

out=$(kubectl get pods -A -o go-template='{{range .items}}{{$ns:=.metadata.namespace}}{{$p:=.metadata.name}}{{range .spec.containers}}{{$ns}} {{$p}} {{.name}} {{with .securityContext}}{{.privileged}}{{end}}{{"\n"}}{{end}}{{range .spec.initContainers}}{{$ns}} {{$p}} {{.name}} {{with .securityContext}}{{.privileged}}{{end}}{{"\n"}}{{end}}{{range .spec.ephemeralContainers}}{{$ns}} {{$p}} {{.name}} {{with .securityContext}}{{.privileged}}{{end}}{{"\n"}}{{end}}{{end}}') || exit 1
bad=$(printf '%s\n' "$out" | awk -v ex='^(kube-system|kube-public|kube-node-lease)$' 'NF && $1 !~ ex && ($4=="true")')
if [ -z "$bad" ]; then echo compliant; else printf '%s\n' "$bad" | head -n 25; fi

Erwartete Ausgabe

compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

Configure Pod Security Admission on workload namespaces so privileged containers are denied when new pods are created. For this control, both baseline and restricted disallow privileged containers, but restricted is typically the stronger choice for user workloads. Only enforce blocks noncompliant pods. warn and audit are useful during rollout, but they do not remediate the issue by themselves. Label each workload namespace to enforce restricted. kubectl label ns NAMESPACE pod-security.kubernetes.io/enforce=restricted --overwrite Add warn and audit labels during transition so violations are surfaced before or alongside enforcement.

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