# CVE-2025-5187: kubernetes: A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete...

CVE-2025-5187 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2025-5187, released August 27, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-5187
- Priority: Routine
- CVSS: 6.7 (medium)
- EPSS: 0.0057
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 27, 2025

## Description

A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | govulncheck-vulndb opensuse-leap 15.6 | 0.0.20250918T182144-150000.1.107.1 | [SUSE-SU-2025:03289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03289-1.md) | Sep 22, 2025 |
| Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | [OPENSUSE-SU-2026:21483-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21483-1.md) | Jul 30, 2026 |
| Linux | govulncheck-vulndb sles 15.6 | 0.0.20250918T182144-150000.1.107.1 | [SUSE-SU-2025:03289-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03289-1.md) | Sep 22, 2025 |
| Linux | kubernetes Debian 12.15 (bookworm) | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-5187](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5187.md) | Aug 27, 2025 |
| Linux | kubernetes Debian 13.5 (trixie) | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-5187](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5187.md) | Aug 27, 2025 |
| Linux | kubernetes Debian 14 | 1.20.5+really1.20.2-1 | [DEBIAN-CVE-2025-5187](https://patchblox.com/security/data/fix/linux/debian-cve-2025-5187.md) | Aug 27, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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