CVE-2025-64324: GO-2025-4110 - KubeVirt Vulnerable to Arbitrary Host File Read and Write in kubevirt.io/kubevirt

CVE-2025-64324 · Severity: high · CVSS 7.7 · Published 2025-11-18

KubeVirt is a virtual machine management add-on for Kubernetes. The `hostDisk` feature in KubeVirt allows mounting a host file or directory owned by the user with UID 107 into a VM. However, prior to version 1.6.1 and 1.7.0, the implementation of this feature and more specifically the `DiskOrCreate` option (which creates a file if it doesn't exist) has a logic bug that allows an attacker to read and write arbitrary files owned by more privileged users on the host system. Versions 1.6.1 and 1.7.0 fix the issue.

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

Quick answers

Is CVE-2025-64324 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-64324 being exploited in the wild.
How severe is CVE-2025-64324?
High severity, with a CVSS score of 7.7, published 18 November 2025.
Which products and versions are affected?
kubevirt.io/kubevirt (Go) SEMVER:introduced=0,fixed=1.6.1, SEMVER:introduced=0,fixed=1.6.1,introduced=1.6.2,fixed=1.7.0-rc.0.
Is there a fix for CVE-2025-64324?
Yes. kubevirt.io/kubevirt (Go): upgrade to 1.6.1, 1.7.0-rc.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-64324?
Check whether you run kubevirt.io/kubevirt (Go) or KubeVirt 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 1.6.1, 1.7.0-rc.0 or later
    go get kubevirt.io/kubevirt@v1.7.0-rc.0

Affected products

  • kubevirt.io/kubevirt (Go) SEMVER:introduced=0,fixed=1.6.1, SEMVER:introduced=0,fixed=1.6.1,introduced=1.6.2,fixed=1.7.0-rc.0
  • KubeVirt

Identifiers

  • CVE-2025-64324
  • GHSA-46xp-26xh-hpqh
  • GO-2025-4110

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