CVE-2025-5187

unknown

Published 2025-08-27 · Modified 2026-02-04

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CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

CVSS v4 NEW

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not yet in upstream

VIR risk

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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.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1.20.5+really1.20.2-1`
sid	Fixed	`1.20.5+really1.20.2-1`
forky	Fixed	`1.20.5+really1.20.2-1`
bullseye	Fixed	`1.20.5+really1.20.2-1`
bookworm	Fixed	`1.20.5+really1.20.2-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	k8s.io/kubernetes	`<1.31.12`	`1.31.12`
Go	k8s.io/kubernetes	`>=1.32.0-alpha.0,<1.32.8`	`1.32.8`
Go	k8s.io/kubernetes	`>=1.33.0-alpha.0,<1.33.4`	`1.33.4`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.