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CVE-2023-53145

Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition In btsdio_probe, the data->work is bound with btsdio_work. It will be started in btsdio_send_frame. If the btsdio_remove runs with a unfinished work, there may be a race condition that hdev is freed but used in btsdio_work. Fix it by canceling the work before do cleanup in btsdio_remove.
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4https://git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6ehttps://git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6bhttps://git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318https://git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520dhttps://git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3https://git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2e