File Access Vulnerability in KubeVirt by Red Hat
CVE-2025-64324

8.5HIGH

Key Information:

Vendor

Kubevirt

Status
Kubevirt
Vendor
CVE Published:
18 November 2025

What is CVE-2025-64324?

KubeVirt, a virtual machine management extension for Kubernetes, has a vulnerability related to the hostDisk feature. This feature permits the mounting of a host file or directory owned by the user with UID 107 into a virtual machine. A logic error in the implementation, specifically within the DiskOrCreate option, can allow attackers to read and write arbitrary files owned by users with higher privileges on the host system. This flaw was addressed in versions 1.6.1 and 1.7.0 of KubeVirt.

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Affected Version(s)

kubevirt 0 < 1.6.1

kubevirt 1.7.0-alpha.0 < 1.7.0-rc.0

References

https://github.com/kubevirt/kubevirt/security/advisories/...
https://github.com/kubevirt/kubevirt/pull/15037
https://github.com/kubevirt/kubevirt/commit/00d03e43e3bf0...

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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