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Fencer Vulns
medium 6.2

CVE-2025-0426 json

Node Denial of Service via kubelet Checkpoint API

published 2025-02-13 20 mo ago modified 2026-09-10 1 mo ago also EUVD-2025-1661 , GHSA-jgfp-53c3-624w , GO-2025-3465

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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.

Patch / fix

  • go k8s.io/kubernetes 1.29.14, 1.30.10, 1.31.6, 1.32.2
  • Kubernetes kubelet 1.30.10, 1.31.6, 1.32.2
  • kubernetes Debian 14, Debian 13, Debian 12 1.20.5+really1.20.2-1

debian advisories DEBIAN-CVE-2025-0426

  • govulncheck-vulndb openSUSE Leap 15.6 0.0.20251230T014957-150000.1.134.1

suse advisories SUSE-SU-2026:0037-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250312T181707-1.1
  • kubernetes1.29 openSUSE Tumbleweed 1.29.14-1.1
  • kubernetes1.30 openSUSE Tumbleweed 1.30.10-1.1
  • kubernetes1.31 openSUSE Tumbleweed 1.31.6-1.1
  • kubernetes1.32 openSUSE Tumbleweed 1.32.2-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:14889-1openSUSE-SU-2025:14816-1openSUSE-SU-2025:14817-1openSUSE-SU-2025:14818-1openSUSE-SU-2025:14819-1

  • kubernetes Alpine 3.20 1.30.9-r0
  • kubernetes Alpine 3.21 1.31.5-r0

alpine advisories ALPINE-CVE-2025-0426

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kubernetes Azure Linux 3.0 1.30.10-1

azure linux advisories AZL-56714

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-0426 updated cvss 6.2

k8s.io/kubernetes: kubelet: node denial of service via kubelet checkpoint API

  • Red Hat Builds for Red Hat OpenShift openshift-builds-shared-resource-rhel9, openshift-builds-shared-resource-webhook-rhel9 Red Hat cert-manager Operator for Red Hat OpenShift cert-manager-operator-rhel9, jetstack-cert-manager-rhel9, jetstack-cert-manager-acmesolver-rhel9
    affected: workaround, no fix available
  • Red Hat OpenShift Container Platform 4 cri-tools, openshift, openshift-clients, openshift-kubelet, openshift-hyperkube, openshift-kube-apiserver, +44 more Red Hat OpenShift GitOps openshift-gitops-1/argocd-rhel8, openshift-gitops-1/argocd-rhel9, openshift-gitops-1/gitops-rhel8
    affected: workaround, no fix planned “Will not fix”
  • Red Hat OpenShift Virtualization 4 container-native-virtualization/aaq-server-rhel9, container-native-virtualization/wasp-agent-rhel9, container-native-virtualization/aaq-operator-rhel9, container-native-virtualization/mtq-operator-rhel9, container-native-virtualization/aaq-controller-rhel9, container-native-virtualization/mtq-controller-rhel9, +4 more
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Storage 3 rhgs3/rhgs-gluster-block-prov-rhel7
    affected: workaround, no fix available
  • Red Hat RHODF 4.17 for RHEL 9 odf4/cephcsi-rhel9 v4.17.5-2
    fixed: vendor fix RHSA-2025:1824
  • Red Hat RHODF 4.18 for RHEL 9 odf4/cephcsi-rhel9 v4.18.0-54
    fixed: vendor fix RHSA-2025:2652
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/thanos-receive-controller-rhel8
    not affected: component not present
  • Red Hat OpenShift Container Platform 4 openshift4/ose-cluster-capacity, openshift4/ose-openshift-controller-manager-rhel8, openshift4/ose-alibaba-cloud-controller-manager-rhel8 Red Hat OpenShift GitOps openshift-gitops-1/argo-rollouts-rhel8 Red Hat RHODF 4.17 for RHEL 9 odf4/odf-cli-rhel9 v4.17.5-2, odf4/mcg-core-rhel9 v4.17.5-2, odf4/odf-console-rhel9 v4.17.5-1, odf4/mcg-rhel9-operator v4.17.5-2, odf4/ocs-rhel9-operator v4.17.5-2, odf4/odf-rhel9-operator v4.17.5-2, +24 more Red Hat RHODF 4.18 for RHEL 9 odf4/odf-cli-rhel9 v4.18.0-40, odf4/mcg-core-rhel9 v4.18.0-80, odf4/odf-console-rhel9 v4.18.0-65, odf4/mcg-rhel9-operator v4.18.0-35, odf4/ocs-rhel9-operator v4.18.0-85, odf4/odf-rhel9-operator v4.18.0-29, +25 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go k8s.io/kubernetes
>=1.32.0, <1.32.2
>=1.31.0, <1.31.6
>=1.30.0, <1.30.10
<1.29.14
1.32.2
1.31.6
1.30.10
1.29.14

Affected products

  • Kubernetes kubelet

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.