CVE-2023-53145 – Qualcomm Bluetooth BTSdio Use After Free Buffer Overflow

CVE ID : CVE-2023-53145

Published : May 10, 2025, 3:15 p.m. | 1 hour, 16 minutes ago

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.

Severity: 0.0 | NA

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