Amazon EKS Auto Mode
TMA-EKS-AUTO-4.2.2
Prevent pods from sharing the host process ID namespace
Beschreibung
Prevent pods from sharing the host process ID namespace by restricting spec.hostPID: true in EKS Auto Mode workload namespaces. In the EKS Pod Security Standards model, this is enforced through Pod Security Admission or an equivalent policy engine, and baseline or restricted enforcement should be used for workload namespaces where host process namespace sharing is not approved. Requires kubectl with cluster-wide read access (KUBECONFIG); system namespaces are excluded and listed resources must be remediated or documented as exceptions.
So wird geprüft
Prüfmethode: Shell-Befehl
out=$(kubectl get pods -A -o go-template='{{range .items}}{{.metadata.namespace}} {{.metadata.name}} {{.spec.hostPID}}{{"\n"}}{{end}}') || exit 1
bad=$(printf '%s\n' "$out" | awk -v ex='^(kube-system|kube-public|kube-node-lease)$' 'NF && $1 !~ ex && ($3=="true")')
if [ -z "$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 pods that request spec.hostPID: true are denied at admission time. Use enforce for remediation because it rejects violating pods. Use warn and audit as rollout and visibility controls, but do not treat them as enforcement. For this control, baseline is sufficient because it prohibits hostPID, while restricted provides stronger hardening for workload namespaces that can meet the additional requirements. Update each workload namespace with the restricted enforcement label. kubectl label ns $NAMESPACE pod-security.kubernetes.io/enforce=restricted --overwrite If restricted is too disruptive for a valid workload namespace, enforce baseline as the minimum profile for this specific control.
Eigenschaften
- Betriebssysteme
- Beliebig
- Tags
- eks-autopolicies
- Referenz
- CIS Amazon Elastic Kubernetes Service (EKS) Auto Mode Benchmark v1.0.0 - 4.2.2 Prevent pods from sharing the host process ID namespace
Diesen Host prüfen
Führen Sie dies auf einem Rechner aus, den Sie prüfen dürfen. Der Scan ist schreibgeschützt.
tmaegis scan --target eks-auto