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The vulnerability can be exploited when an update action on node resources is performed and an admission controller is in place and configured to validate the action.\n\nUsers are only affected by this vulnerability if they are running a _Validating Admission Webhook_ for Nodes that denies admission based partially on the old state of the Node object. It only impacts validating admission plugins that rely on old values in certain fields and does not impact calls from kubelets that go through the built-in NodeRestriction admission 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