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CVE PROGRAM SOURCE RECORD6.7 Medium

CVE-2025-5187

Nodes can delete themselves by adding an OwnerReference

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Kubernetes Kubernetes

Default version status: unaffected

  • v1.31.0 to ≤ v1.31.11affected
  • v1.32.0 to ≤ v1.32.7affected
  • v1.33.0 to ≤ v1.33.3affected

References