/
disallow-capabilities.yaml
46 lines (46 loc) · 1.69 KB
/
disallow-capabilities.yaml
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apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
name: disallow-capabilities
annotations:
policies.kyverno.io/title: Disallow Capabilities
policies.kyverno.io/category: Pod Security Standards (Baseline)
policies.kyverno.io/severity: medium
policies.kyverno.io/minversion: 1.6.0
kyverno.io/kubernetes-version: "1.22-1.23"
policies.kyverno.io/subject: Pod
policies.nirmata.io/remediation-docs: "https://docs.nirmata.io/policysets/podsecurity/baseline/disallow-capabilities/"
policies.kyverno.io/description: >-
Any additional capabilities not mentioned in the allowed list, which includes AUDIT_WRITE, CHOWN, DAC_OVERRIDE, FOWNER, FSETID, KILL, MKNOD, NET_BIND_SERVICE, SETFCAP, SETGID, SETPCAP, SETUID, SYS_CHROOT, are prohibited and not permitted.
spec:
validationFailureAction: Audit
background: true
rules:
- name: adding-capabilities
match:
any:
- resources:
kinds:
- Pod
validate:
message: >-
Adding capabilities beyond those listed in the policy rule is disallowed.
deny:
conditions:
all:
- key: "{{ request.object.spec.[ephemeralContainers, initContainers, containers][].securityContext.capabilities.add[] }}"
operator: AnyNotIn
value:
- AUDIT_WRITE
- CHOWN
- DAC_OVERRIDE
- FOWNER
- FSETID
- KILL
- MKNOD
- NET_BIND_SERVICE
- SETFCAP
- SETGID
- SETPCAP
- SETUID
- SYS_CHROOT