Description
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.
Affected products
linux: linux kernel
References7
- git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4 Patch
- git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e Patch
- git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6b Patch
- git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318 Patch
- git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520d Patch
- git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3 Patch
- git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2e Patch
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 9 · as of 7 November 2026
- CWE
- CWE-416
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