Kubernetes kubelet up to 1.30.9/1.31.5/1.32.1 HTTP Endpoint resource consumption

Summaryinfo

A vulnerability classified as problematic was found in Kubernetes kubelet up to 1.30.9/1.31.5/1.32.1. Affected by this issue is some unknown functionality of the component HTTP Endpoint. Such manipulation leads to resource consumption. This vulnerability is documented as CVE-2025-0426. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Kubernetes kubelet up to 1.30.9/1.31.5/1.32.1 and classified as problematic. Affected by this issue is an unknown function of the component HTTP Endpoint. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

A security issue was discovered in Kubernetes where a large number of container checkpoint requests made to the unauthenticated kubelet read-only HTTP endpoint may cause a Node Denial of Service by filling the Node's disk.

The weakness was released by Tim Allclair. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-0426 since 01/13/2025. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.30.10, 1.31.6 or 1.32.2 eliminates this vulnerability.

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Productinfo

Type

• Virtualization Software

Vendor

• Kubernetes

Name

• kubelet

Version

• 1.30.0
• 1.30.1
• 1.30.2
• 1.30.3
• 1.30.4
• 1.30.5
• 1.30.6
• 1.30.7
• 1.30.8
• 1.30.9
• 1.31.0
• 1.31.1
• 1.31.2
• 1.31.3
• 1.31.4
• 1.31.5
• 1.32.0
• 1.32.1

License

• open-source

CPE 2.3info

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CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

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