Runs as a Windows HostProcess

apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingAdmissionPolicy
metadata:
  name: container-windows-hostprocess
  annotations:
    kubeapt.io/uuid: "6dd987f5-a988-40f2-bce8-d6eef4c6eb4d"
    security.kubeapt.io/displayName: "Runs as a Windows HostProcess"
    security.kubeapt.io/description: "A Windows HostProcess container runs directly on the node in the host namespaces under a system account, exposing the host filesystem, registry and services and making node compromise trivial."
    security.kubeapt.io/resource: "Containers"
    security.kubeapt.io/severity: "High"
    security.kubeapt.io/remediation: "Remove windowsOptions.hostProcess from every container security context or set it to false. Field: spec.containers[*].securityContext.windowsOptions.hostProcess."
    security.kubeapt.io/product: "Kubernetes"
spec:
  failurePolicy: Fail
  matchConstraints:
    resourceRules:
    - apiGroups:
      - ''
      apiVersions:
      - v1
      operations:
      - CREATE
      - UPDATE
      resources:
      - pods
  validations:
  - expression: |
      object.spec.containers.all(c,
        !has(c.securityContext) ||
        !has(c.securityContext.windowsOptions) ||
        !has(c.securityContext.windowsOptions.hostProcess) ||
        c.securityContext.windowsOptions.hostProcess == false
      )
    message: |
      HostProcess is not allowed for containers. Each spec.containers[*].securityContext.windowsOptions.hostProcess must be undefined or set to false.