CVE-2025-0426
Node Denial of Service via kubelet Checkpoint API in k8s.io/kubernetes
6.2
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
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.
How to fix CVE-2025-0426
To remediate CVE-2025-0426, upgrade the affected package to a fixed version below.
- —upgrade to 1.20.5+really1.20.2-1 or later
- —upgrade to 1.32.2 or later
- —upgrade to 1.29.14 or later
Is CVE-2025-0426 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.20.5+really1.20.2-1
- >= 1.32.0, < 1.32.2
- from 0, < 1.29.14, >= 1.30.0, < 1.30.10, >= 1.31.0, < 1.31.6, >= 1.32.0, < 1.32.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |