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 version of kubernetes installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-0426 advisory.

  - 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. (CVE-2025-0426)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2025-0426)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2025-0426)

ID	Name	Product	Family	Severity
295212	Azure Linux 3.0 Security Update: kubernetes (CVE-2025-0426)	Nessus	Azure Linux Local Security Checks	medium
251973	Linux Distros Unpatched Vulnerability : CVE-2025-0426	Nessus	Misc.	medium
427135	Alpine: multiple kube-apiserver packages: security update to 1.31.5-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
427135	Alpine: multiple kube-apiserver packages: security update to 1.31.5-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
426697	Alpine: multiple kube-apiserver packages: security update to 1.30.9-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	medium
426697	Alpine: multiple kube-apiserver packages: security update to 1.30.9-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	medium
420895	SCA: security update for k8s.io/kubernetes (GHSA-jgfp-53c3-624w)	Tenable Cloud Security	SCA Checks	medium
420895	SCA: security update for k8s.io/kubernetes (GHSA-jgfp-53c3-624w)	Tenable Self-Hosted Container Security	SCA Checks	medium

Detections

Analytics

CVE-2025-0426

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium

medium

medium