| Name | CVE-2025-5187 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| kubernetes (PTS) | bullseye | 1.20.5+really1.20.2-1 | fixed |
| bookworm | 1.20.5+really1.20.2-1.1+deb12u1 | fixed |
| forky, trixie | 1.32.3+ds-2 | fixed |
| sid | 1.33.4+ds-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| kubernetes | source | (unstable) | 1.20.5+really1.20.2-1 | | | |
Notes
Server components no longer built since 1.20.5+really1.20.2-1, marking that as fixed version
The source package itself it still vulnerable, but custom rebuilds are not really a usecase here
https://github.com/kubernetes/kubernetes/issues/133471
https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE