CVE-2025-64437
BaseFortify
Publication date: 2025-11-07
Last updated on: 2025-11-25
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| kubevirt | kubevirt | to 1.5.3 (exc) |
| kubevirt | kubevirt | 1.6.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-59 | The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in KubeVirt occurs because the virt-handler component does not check if the launcher-sock is a symlink or a regular file. An attacker who controls the file system of the virt-launcher pod can exploit this to change ownership of arbitrary files on the host node to an unprivileged user (UID 107), potentially compromising the confidentiality, integrity, and availability of data on the host.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to change ownership of arbitrary files on the host node to an unprivileged user, which can lead to unauthorized access, modification, or disruption of critical data and services, thereby compromising the confidentiality, integrity, and availability of the host system's data.
What immediate steps should I take to mitigate this vulnerability?
Upgrade KubeVirt to version 1.5.3 or 1.6.1 or later, as these versions contain the fix for this vulnerability.