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  5. CVE-2025-64435

CVE-2025-64435: KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation

November 6, 2025 (updated November 17, 2025)

_Short summary of the problem. Make the impact and severity as clear as possible.

A logic flaw in the virt-controller allows an attacker to disrupt the control over a running VMI by creating a pod with the same labels as the legitimate virt-launcher pod associated with the VMI. This can mislead the virt-controller into associating the fake pod with the VMI, resulting in incorrect status updates and potentially causing a DoS (Denial-of-Service).

References

  • github.com/advisories/GHSA-9m94-w2vq-hcf9
  • github.com/kubevirt/kubevirt
  • github.com/kubevirt/kubevirt/commit/9a6f4a3a707992038ef705da4cb3bba8c89d36ba
  • github.com/kubevirt/kubevirt/security/advisories/GHSA-9m94-w2vq-hcf9
  • nvd.nist.gov/vuln/detail/CVE-2025-64435

Code Behaviors & Features

Detect and mitigate CVE-2025-64435 with GitLab Dependency Scanning

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Affected versions

All versions before 1.7.0-beta.0

Fixed versions

  • 1.7.0-beta.0

Solution

Upgrade to version 1.7.0-beta.0 or above.

Impact 5.3 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-703: Improper Check or Handling of Exceptional Conditions

Source file

go/kubevirt.io/kubevirt/CVE-2025-64435.yml

Spotted a mistake? Edit the file on GitLab.

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