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CVE-2024-43883

usb: vhci-hcd: Do not drop references before new references are gained

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: usb: vhci-hcd: Do not drop references before new references are gained At a few places the driver carries stale pointers to references that can still be used. Make sure that does not happen. This strictly speaking closes ZDI-CAN-22273, though there may be similar races in the driver.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/128e82e41cf7d74a562726c1587d9d2ede1a0a37https://git.kernel.org/stable/c/4dacdb9720aaab10b6be121eae55820174d97174https://git.kernel.org/stable/c/585e6bc7d0a9bf73a8be3d3fb34e86b90cc61a14https://git.kernel.org/stable/c/5a3c473b28ae1c1f7c4dc129e30cb19ae6e96f89https://git.kernel.org/stable/c/9c3746ce8d8fcb3a2405644fc0eec7fc5312de80https://git.kernel.org/stable/c/afdcfd3d6fcdeca2735ca8d994c5f2d24a368f0ahttps://git.kernel.org/stable/c/c3d0857b7fc2c49f68f89128a5440176089a8f54https://git.kernel.org/stable/c/e8c1e606dab8c56cf074b43b98d0805de7322ba2https://lists.debian.org/debian-lts-announce/2024/10/msg00003.htmlhttps://lists.debian.org/debian-lts-announce/2025/01/msg00001.html