SB20241230205 - Improper locking in Linux kernel usb caiaq

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB20241230205

SB20241230205 - Improper locking in Linux kernel usb caiaq

Published: December 30, 2024 Updated: May 11, 2025

Security Bulletin ID SB20241230205
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper locking (CVE-ID: CVE-2024-56531)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the snd_usb_caiaq_input_free() function in sound/usb/caiaq/input.c, within the setup_card(), init_card() and snd_disconnect() functions in sound/usb/caiaq/device.c, within the snd_usb_caiaq_audio_init() function in sound/usb/caiaq/audio.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References