VULNERABILITY INTELLIGENCE

CVE-2025-39951

CVSS score7.8 HIGH
EPSS probability0.15%
CISA KEVNot currently listed
Published2025-10-04
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-416

Primary references