CVE-2023-53145
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4Patch
- https://git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6ePatch
- https://git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6bPatch
- https://git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318Patch
- https://git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520dPatch
- https://git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3Patch
- https://git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2ePatch