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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| kubevirt.io/kubevirt | go | < 0.30.0 | 0.30.0 |
The vulnerability stems from missing feature gate enforcement for hostDisk functionality. The fix in PR #3686 introduced a feature gate check (HostDisk) to restrict this capability. The validation function (ValidateVirtualMachineInstanceSpec) and hostDisk creation logic (createHostDisk) were vulnerable because they processed hostDisk volumes without checking if the feature was enabled. This allowed attackers to exploit VMIs to access the host filesystem. The link to the fix explicitly shows feature gate checks being added to these areas.
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