Add Kyverno admission policies and CIS mappings

2026-08-10 17:34:45 -04:00
parent fc786ec63c
commit ff033f2fcb
10 changed files with 253 additions and 12 deletions
@@ -0,0 +1,42 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: disallow-privileged
+  annotations:
+    policies.kyverno.io/title: Disallow privileged containers
+    policies.kyverno.io/category: Pod Security Standards
+    policies.kyverno.io/severity: high
+    # CIS 5.2.2: minimize admission of privileged containers.
+    policies.kyverno.io/cis-control: "5.2.2"
+spec:
+  validationFailureAction: Enforce
+  background: false
+  failurePolicy: Fail
+  rules:
+    - name: privileged-containers
+      match:
+        any:
+          - resources:
+              kinds:
+                - Pod
+              namespaceSelector:
+                matchLabels:
+                  security-baseline/open: "true"
+      validate:
+        message: Privileged containers are not allowed in security-baseline namespaces.
+        foreach:
+          - list: request.object.spec.containers[]
+            deny:
+              conditions:
+                any:
+                  - key: "{{ element.securityContext.privileged || false }}"
+                    operator: Equals
+                    value: true
+          - list: request.object.spec.initContainers[]
+            deny:
+              conditions:
+                any:
+                  - key: "{{ element.securityContext.privileged || false }}"
+                    operator: Equals
+                    value: true
+