CVE-2025-39951

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 v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4	Patch
https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7	Patch
https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46	Patch
https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770	Patch
https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0	Patch
https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f	Patch
https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc5::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc6::::::

History

No history.

Information

Published : 2025-10-04 08:15

Updated : 2026-01-23 20:03

NVD link : CVE-2025-39951

Mitre link : CVE-2025-39951

CVE.ORG link : CVE-2025-39951

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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