CVE-2025-39951
um: virtio_uml: Fix use-after-free after put_device in probe
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 4, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
04e5b1fb01834a602acaae2276b67a783a8c6159 < 14c231959a16ca41bfdcaede72483362a8c645d7 04e5b1fb01834a602acaae2276b67a783a8c6159 < 5e94e44c9cb30d7a383d8ac227f24a8c9326b770 04e5b1fb01834a602acaae2276b67a783a8c6159 < aaf900a83508c8cd5cdf765e7749f9076196ec7f 04e5b1fb01834a602acaae2276b67a783a8c6159 < 4f364023ddcfe83f7073b973a9cb98584b7f2a46 04e5b1fb01834a602acaae2276b67a783a8c6159 < 00e98b5a69034b251bb36dc6e7123d7648e218e4 04e5b1fb01834a602acaae2276b67a783a8c6159 < c2ff91255e0157b356cff115d8dc3eeb5162edf2 04e5b1fb01834a602acaae2276b67a783a8c6159 < 7ebf70cf181651fe3f2e44e95e7e5073d594c9c0
Linux / Linux
5.5
References
git.kernel.org: https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7 git.kernel.org: https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770 git.kernel.org: https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f git.kernel.org: https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46 git.kernel.org: https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4 git.kernel.org: https://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2 git.kernel.org: https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0