Security Advisory
CVE-2025-39951
7.8
HIGH
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.
Published Date
October 4, 2025
Official Source
NIST NVD Advisory