PT-2025-8774 · Linux+7 · Linux Kernel+7

Published

2025-01-15

·

Updated

2025-11-12

·

CVE-2024-57987

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A issue in the Linux kernel's Bluetooth functionality, specifically in the btrtl setup realtek() function, has been identified. When a USB dongle with an unsupported chip is inserted, it can cause a NULL pointer access, leading to a Kernel Oops. The fix involves adding a null point check to prevent this issue.
Recommendations For the affected Linux kernel versions, consider applying the patch that adds a null point check to the btrtl setup realtek() function to prevent the NULL pointer access issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2025:20095
ALSA-2025:20518
ALSA-2025_12746
ALSA-2025_12752
ALSA-2025_12753
ALSA-2025_16880
ALSA-2025_18281
ALSA-2025_19102
ALSA-2025_19103
ALSA-2025_19409
ALSA-2025_20518
BDU:2025-12218
CVE-2024-57987
INFSA-2025_20518
RHSA-2025:20095
RHSA-2025:20518
RHSA-2025_20518
SUSE-SU-2025:02254-1
SUSE-SU-2025:02307-1
SUSE-SU-2025:02333-1
SUSE-SU-2025_02254-1
SUSE-SU-2025_02307-1
SUSE-SU-2025_02333-1
USN-7521-1
USN-7521-2
USN-7521-3

Affected Products

Almalinux
Astra Linux
Linuxmint
Linux Kernel
Red Hat
Rocky Linux
Suse
Ubuntu