CVE-2023-53145

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-05-10 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-05 21:17 UTC Last updatedMost recent change to the record

Details

Published

2025-05-10 15:15 UTC

Last modified

2026-11-05 21:17 UTC

Exploit probability

0.2% · EPSS, next 30 days

Weakness

CWE-416 · Use after free

Record status

Analyzed

Affected

• Linux Kernel < 4.14.326
• Linux Kernel < 4.19.295
• Linux Kernel < 5.4.257
• Linux Kernel < 5.10.195
• Linux Kernel < 5.15.131
• Linux Kernel < 6.1.52
• Linux Kernel < 6.3
• Linux Kernel 6.3

Attack profile CVSS 3.1 · 7.8

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High