Kubevirt: kubevirt: vm administration denial of service via guest agent (Red Hat Red Hat OpenShift Virtualization 4)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.29 % · percentile 21 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Deferred
Description
A flaw was found in kubevirt. A user within a virtual machine (VM), if the guest agent is active, can exploit this by causing the agent to report an excessive number of network interfaces. This action can overwhelm the system's ability to store VM configuration updates, effectively blocking changes to the Virtual Machine Instance (VMI). This allows the VM user to restrict the VM administrator's ability to manage the VM, leading to a denial of service for administrative operations.
Weaknesses (CWE)
- CWE-770 — Allocation of Resources Without Limits or Throttling
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L | redhat |
| CVSS 3.1 | MEDIUM 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L | NVD · secalert@redhat.com (Secondary) |
Advisories
- GHSA-25mh-hp8x-cgrv — KubeVirt Guest Agent DoS via Excessive Network Interface Reports
- GO-2026-4384 — KubeVirt Guest Agent DoS via Excessive Network Interface Reports in kubevirt.io/kubevirt
European references
- ENISA EUVD · EUVD-2025-206339
- GCVE · GCVE-0-2025-14525
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat OpenShift Virtualization 4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |