CVE-2023-53145

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

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.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6b
https://git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e
https://git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2e
https://git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520d
https://git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3
https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4
https://git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318

Frequently Asked Questions

What is the severity of CVE-2023-53145?: CVE-2023-53145 has not yet been assigned a CVSS score.
How to fix CVE-2023-53145?: To fix CVE-2023-53145, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-53145 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-53145 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-53145?: CVE-2023-53145 affects Linux Linux, Linux Linux.

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