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 +1,32 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: disallow-host-network
+  annotations:
+    policies.kyverno.io/title: Disallow host network and host PID
+    policies.kyverno.io/category: Pod Security Standards
+    policies.kyverno.io/severity: high
+    # CIS 5.2.3: minimize hostPID; CIS 5.2.5: minimize hostNetwork.
+    policies.kyverno.io/cis-control: "5.2.3, 5.2.5"
+spec:
+  validationFailureAction: Enforce
+  background: false
+  failurePolicy: Fail
+  rules:
+    - name: no-host-network-or-pid
+      match:
+        any:
+          - resources:
+              kinds:
+                - Pod
+              namespaceSelector:
+                matchLabels:
+                  security-baseline/open: "true"
+      validate:
+        message: hostNetwork, hostPID, and hostIPC must be false or omitted.
+        pattern:
+          spec:
+            =(hostNetwork): false
+            =(hostPID): false
+            =(hostIPC): false
+