CVE-2023-53145

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

10/05/2025

Last modified:

12/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		4.14.326 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.295 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.257 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.195 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.131 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.1.52 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.3 (excluding)
cpe:2.3:o:linux:linux_kernel:6.3:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc2::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc3::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc4::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc5::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc6::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-53145

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools