PT-2023-9719 · Linux+4 · Linux Kernel+4

Published 2023-10-23 · Updated 2025-09-29 · CVE-2023-52833

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV: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 The vulnerability is related to a NULL pointer dereference in the btusb mtk hci wmt sync() function, which can cause a crash. This issue is associated with the Bluetooth component btusb in the Linux kernel. Exploitation of this vulnerability may allow an attacker to cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

BDU:2024-10257

CVE-2023-52833

INFSA-2024_9315

OESA-2024-1839

OESA-2024-1860

OPENSUSE-SU-2024_2189-1

RHSA-2024:9315

RHSA-2024_9315

SUSE-SU-2024:2008-1

SUSE-SU-2024:2011-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2189-1

SUSE-SU-2024:2190-1

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Red Os

Suse

References · 2603

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52833.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-38547 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-52833 · Vendor Advisory
• https://git.kernel.org/stable/c/0048ddf045bddc4dacb3e783fd869a2f8fb5be30 · Patch
• https://git.kernel.org/stable/c/a556f2ef556a04790f67f2fa272f1a77336d15a0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-48721 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-39467 · Security Note
• https://git.kernel.org/stable/c/13b1ebad4c175e6a9b0748acbf133c21a15d282a · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-39489 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-37353 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52833 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-38570 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-39500 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-38623 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-31076 · Security Note