selinux.yaml

# Copyright 2024 Google LLC
#
# This is “Software” that is licensed under the “General Software” section of
# the Service Specific Terms (https://cloud.google.com/terms/service-terms) for
# usage in accordance with the following “Scope of Use”: This file may only be
# used on an Anthos cluster, including any associated ci/cd use. “Anthos
# cluster” is defined as “A Cluster (of any kind) registered to a fleet project
# where the Anthos API is enabled”.
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPSELinuxV2
metadata:
  name: nsa-cisa-k8s-v1.2-selinux
  labels:
    policycontroller.gke.io/bundleName: nsa-cisa-k8s-v1.2
  annotations:
    policycontroller.gke.io/bundleVersion: "202312.1"
    policycontroller.gke.io/constraintData: |-
      "{
        bundleName: 'nsa-cisa-k8s-v1.2',
        bundleDisplayName: 'NSA CISA Kubernetes Hardening Guide v1.2',
        bundleLink: 'https://cloud.google.com/anthos-config-management/docs/how-to/using-nsa-cisa-k8s-v1.2',
        bundleVersion: '202312.1',
        bundleDescription: 'Use the NSA CISA Kubernetes Hardening Guide v1.2 policy bundle with Policy Controller to evaluate the compliance of your cluster resources against some aspects of the NSA CISA Kubernetes Hardening Guide v1.2.',
        controlNumbers: '[]',
        severity: 'Medium',
        description: 'Cannot set the SELinux type or set a custom SELinux user or role option.',
        remediation: 'Pods can use only the `seLinuxOptions` configurations listed in the `allowedSELinuxOptions` field. See "Pod Security Standards" for more information: https://kubernetes.io/docs/concepts/security/pod-security-standards/#baseline',
        minimumTemplateLibraryVersion: '1.10.1',
        constraintHash: 'a813d0a1c434ef5e0310abcfbd02a43a0125463e6e934c61eebaaa778c84de95'
      }"
spec:
  enforcementAction: dryrun
  match:
    kinds:
      - apiGroups:
          - ""
        kinds:
          - Pod
    excludedNamespaces:
      - kube-system
  parameters:
    allowedSELinuxOptions:
      - type: container_t
      - type: container_init_t
      - type: container_kvm_t