CVE-2025-64324

Description

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.

CVSS Metrics

• v4.0•HIGH•Score: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
• v4.0•HIGH•Score: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
• v3.1•HIGH•Score: 7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Trends

Current EPSS score: 0.22%• Percentile: 13%

Techniques & Countermeasures

• CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

  The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

• CWE-732•Incorrect Permission Assignment for Critical Resource

  The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.

Affected Systems

• chainguard•docker-machine-driver-harvester

  < 1.0.6-r4

• chainguard•virt-api-1.6

  < 1.6.4-r0

• chainguard•virt-api-fips-1.6

  < 1.6.4-r0

• chainguard•virt-chroot-1.6

  < 1.6.4-r0

• chainguard•virt-chroot-fips-1.6

  < 1.6.4-r0

• chainguard•virt-controller-1.6

  < 1.6.4-r0

• chainguard•virt-controller-fips-1.6

  < 1.6.4-r0

• chainguard•virt-handler-1.6

  < 1.6.4-r0

• chainguard•virt-handler-fips-1.6

  < 1.6.4-r0

• chainguard•virt-launcher-1.6

  < 1.6.6-r3

• chainguard•virt-launcher-1.6-virt-freezer

  < 1.6.6-r3

• chainguard•virt-launcher-1.6-virt-launcher-monitor

  < 1.6.6-r3

• chainguard•virt-launcher-1.6-virt-probe

  < 1.6.6-r3

• chainguard•virt-launcher-1.6-virt-tail

  < 1.6.6-r3

• chainguard•virt-operator-1.6

  < 1.6.6-r1

• chainguard•virt-operator-fips-1.6

  < 1.6.6-r2

• wolfi•docker-machine-driver-harvester

  < 1.0.6-r4

• kubevirt.io•kubevirt

  ≥ 1.6.2, < 1.7.0-rc.0 | < 1.6.1 | ≥ 1.7.0-alpha.0, < 1.7.0-rc.0

• kubevirt•kubevirt

  ≥ 1.7.0-alpha.0, < 1.7.0-rc.0 | < 1.6.1 | 1.7.0:alpha0 | 1.7.0:beta0

References (7)

• https://github.com/kubevirt/kubevirt/security/advisories/GHSA-46xp-26xh-hpqh
• https://github.com/kubevirt/kubevirt/pull/15037
• https://github.com/kubevirt/kubevirt/commit/00d03e43e3bf03e563136695a4732b65ed42d764
• https://github.com/kubevirt/kubevirt/commit/ff3b69b08b6b9c8d08d23735ca8d82455f790a69
• https://nvd.nist.gov/vuln/detail/CVE-2025-64324
• https://github.com/kubevirt/kubevirt
• https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64324.json