CVE-2025-4563
June 23, 2025
A vulnerability exists in the NodeRestriction admission controller where nodes can bypass dynamic resource allocation authorization checks. When the DynamicResourceAllocation feature gate is enabled, the controller properly validates resource claim statuses during pod status updates but fails to perform equivalent validation during pod creation. This allows a compromised node to create mirror pods that access unauthorized dynamic resources, potentially leading to privilege escalation.
Affected Packages
https://github.com/kubernetes/kubernetes.git (GITHUB):
Affected version(s) >=v1.33.0 <v1.33.2Fix Suggestion:
Update to version v1.33.2https://github.com/kubernetes/kubernetes.git (GITHUB):
Affected version(s) >=v1.32.0 <v1.32.6Fix Suggestion:
Update to version v1.32.6k8s.io/kubernetes (GO):
Affected version(s) >=v1.32.0 <v1.32.6Fix Suggestion:
Update to version v1.32.6k8s.io/kubernetes (GO):
Affected version(s) >=v1.33.0 <v1.33.2Fix Suggestion:
Update to version v1.33.2Related Resources (9)
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Contact UsCVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.7
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
EPSS
Base Score:
0.04