In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: check for NULL in btrtl_set_quirks() The btrtl_set_quirks() has accessed btrtl_dev->ic_info->lmp_subver since b8e482d02513. However, if installing a Realtek Bluetooth controller without the driver supported, it will hit the NULL point accessed. Add a check for NULL to avoid the Kernel Oops.
History

Wed, 17 Sep 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Wed, 17 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low


Tue, 16 Sep 2025 08:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: check for NULL in btrtl_set_quirks() The btrtl_set_quirks() has accessed btrtl_dev->ic_info->lmp_subver since b8e482d02513. However, if installing a Realtek Bluetooth controller without the driver supported, it will hit the NULL point accessed. Add a check for NULL to avoid the Kernel Oops.
Title Bluetooth: btrtl: check for NULL in btrtl_set_quirks()
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-16T08:11:25.732Z

Updated: 2025-09-16T08:11:25.732Z

Reserved: 2025-09-16T08:09:37.992Z

Link: CVE-2023-53293

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-16T08:15:38.573

Modified: 2025-09-16T12:49:16.060

Link: CVE-2023-53293

cve-icon Redhat

Severity : Low

Publid Date: 2025-09-16T00:00:00Z

Links: CVE-2023-53293 - Bugzilla