CVE-2025-64437: GO-2025-4102 - KubeVirt Isolation Detection Flaw Allows Arbitrary File Permission Changes in kubevirt.io/kubevirt

CVE-2025-64437 · Severity: low · CVSS 3.1 · Published 2025-11-17

KubeVirt Isolation Detection Flaw Allows Arbitrary File Permission Changes in kubevirt.io/kubevirt

Technologies: kubevirt.io/kubevirt (Go). Vendors: Go.

Quick answers

Is CVE-2025-64437 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-64437 being exploited in the wild.
How severe is CVE-2025-64437?
Low severity, with a CVSS score of 3.1, published 17 November 2025.
Which products and versions are affected?
kubevirt.io/kubevirt (Go) SEMVER:introduced=0,fixed=1.5.3, SEMVER:introduced=0,fixed=1.5.3,introduced=1.6.0-alpha.0,fixed=1.6.0-beta.0.0.20250801202148-3ce9f41c54d0.
Is there a fix for CVE-2025-64437?
Yes. kubevirt.io/kubevirt (Go): upgrade to 1.5.3, 1.6.0-beta.0.0.20250801202148-3ce9f41c54d0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-64437?
Check whether you run kubevirt.io/kubevirt (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • kubevirt.io/kubevirt (Go): upgrade to 1.5.3, 1.6.0-beta.0.0.20250801202148-3ce9f41c54d0 or later
    go get kubevirt.io/kubevirt@v1.6.0-beta.0.0.20250801202148-3ce9f41c54d0

Affected products

  • kubevirt.io/kubevirt (Go) SEMVER:introduced=0,fixed=1.5.3, SEMVER:introduced=0,fixed=1.5.3,introduced=1.6.0-alpha.0,fixed=1.6.0-beta.0.0.20250801202148-3ce9f41c54d0

Identifiers

  • CVE-2025-64437
  • GHSA-2r4r-5x78-mvqf
  • GO-2025-4102

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