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CVE-2025-39951

um: virtio_uml: Fix use-after-free after put_device in probe

EPSS 0.1%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4https://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7https://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46https://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770https://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0https://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7fhttps://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2