GHSA-4x4m-3c2p-qppc
Kubernetes Nodes can delete themselves by adding an OwnerReference
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | k8s.io/kubernetes | < 1.31.12 | 1.31.12 |
| Go | k8s.io/kubernetes | >= 1.32.0-alpha.0, < 1.32.8 | 1.32.8 |
| Go | k8s.io/kubernetes | >= 1.33.0-alpha.0, < 1.33.4 | 1.33.4 |
Details
As written in the advisory (Markdown source, shown as plain text).
A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2025-5187
- https://github.com/kubernetes/kubernetes/issues/133471
- https://github.com/kubernetes/kubernetes/commit/a2d98cac56a0c5cb2d8abc4d087fc00846b3bc0f
- https://github.com/kubernetes/kubernetes
- https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE