Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: um: virtio_uml: Fix use-after-free after put_device in probe When register_virtio_device() fails in virtio_uml_probe(), the code sets vu_dev->registered = 1 even though the device was not successfully registered. This can lead to use-after-free or other issues.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.5, < 5.10.245 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4Patch
- https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7Patch
- https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46Patch
- https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770Patch
- https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0Patch
- https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7fPatch
- https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2Patch
FAQ
What is CVE-2025-39951?
CVE-2025-39951 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: um: virtio_uml: Fix use-after-free after put_device in probe When register_virtio_device() fails in virtio_uml_probe(), the code s...
How severe is CVE-2025-39951?
CVE-2025-39951 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-39951?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.