Check Node for CVE-2022-0185 in CEL expressions

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: check-kernel
  annotations:
    policies.kyverno.io/title: Check Node for CVE-2022-0185 in CEL expressions
    policies.kyverno.io/category: Other in CEL
    policies.kyverno.io/severity: high
    kyverno.io/kyverno-version: 1.11.0
    policies.kyverno.io/minversion: 1.11.0
    kyverno.io/kubernetes-version: 1.26-1.27
    policies.kyverno.io/subject: Node
    policies.kyverno.io/description: Linux CVE-2022-0185 can allow a container escape in Kubernetes if left unpatched. The affected Linux kernel versions, at this time, are 5.10.84-1 and 5.15.5-2. For more information, refer to https://security-tracker.debian.org/tracker/CVE-2022-0185. This policy runs in background mode and flags an entry in the ClusterPolicyReport if any Node is reporting one of the affected kernel versions.
spec:
  validationFailureAction: Audit
  background: true
  rules:
    - name: kernel-validate
      match:
        any:
          - resources:
              kinds:
                - Node
              operations:
                - CREATE
                - UPDATE
      validate:
        cel:
          expressions:
            - expression: "!(object.status.nodeInfo.kernelVersion in ['5.10.84-1', '5.15.5-2'])"
              message: Kernel is vulnerable to CVE-2022-0185.