GHSA-4x4m-3c2p-qppcMediumCVSS 6.7
Kubernetes Nodes can delete themselves by adding an OwnerReference
🔗 CVE IDs covered (1)
📋 Description
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.
🎯 Affected products3
- go/k8s.io/kubernetes:< 1.31.12
- go/k8s.io/kubernetes:>= 1.32.0-alpha.0, < 1.32.7
- go/k8s.io/kubernetes:>= 1.33.0-alpha.0, < 1.33.4
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2025-5187
- https://github.com/kubernetes/kubernetes/issues/133471
- https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE
- https://github.com/kubernetes/kubernetes/commit/a2d98cac56a0c5cb2d8abc4d087fc00846b3bc0f
- https://github.com/advisories/GHSA-4x4m-3c2p-qppc