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CVE-2025-39951

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CVE-2025-39951

Published: Oct 4, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
04e5b1fb01834a602acaae2276b67a783a8c6159 - < 14c231959a16ca41bfdcaede72483362a8c645d7
affected
04e5b1fb01834a602acaae2276b67a783a8c6159 - < 5e94e44c9cb30d7a383d8ac227f24a8c9326b770
affected
04e5b1fb01834a602acaae2276b67a783a8c6159 - < aaf900a83508c8cd5cdf765e7749f9076196ec7f
affected
04e5b1fb01834a602acaae2276b67a783a8c6159 - < 4f364023ddcfe83f7073b973a9cb98584b7f2a46
affected
04e5b1fb01834a602acaae2276b67a783a8c6159 - < 00e98b5a69034b251bb36dc6e7123d7648e218e4

+2 more versions

Linux

Linux

affected
5.5
unaffected
0 - < 5.5
unaffected
5.10.245 - <= 5.10.*
unaffected
5.15.194 - <= 5.15.*
unaffected
6.1.154 - <= 6.1.*

+4 more versions

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