CVE-2023-53145: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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: before 4.14.326 (fixed in 4.14.326); from 4.15, before 4.19.295 (fixed in 4.19.295); from 4.20, before 5.4.257 (fixed in 5.4.257); from 5.5, before 5.10.195 (fixed in 5.10.195); from 5.11, before 5.15.131 (fixed in 5.15.131); from 5.16, before 6.1.52 (fixed in 6.1.52); …

Published 2025-05-10. Last modified 2026-06-17.