SB20241230205 - Improper locking in Linux kernel usb caiaq
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230205
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-56531)
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
- https://git.kernel.org/stable/c/237f3faf0177bdde728fa3106d730d806436aa4d
- https://git.kernel.org/stable/c/3993edf44d3df7b6e8c753eac6ac8783473fcbab
- https://git.kernel.org/stable/c/4507a8b9b30344c5ddd8219945f446d47e966a6d
- https://git.kernel.org/stable/c/4dd821dcbfcecf7af6a08370b0b217cde2818acf
- https://git.kernel.org/stable/c/a3f9314752dbb6f6aa1f0f2b4c58243bda800738
- https://git.kernel.org/stable/c/b04dcbb7f7b1908806b7dc22671cdbe78ff2b82c
- https://git.kernel.org/stable/c/cadf1d8e9ddcd74584ec961aeac14ac549b261d8
- https://git.kernel.org/stable/c/dd0de8cb708951cebf727aa045e8242ba651bb52
- https://git.kernel.org/stable/c/ebad462eec93b0f701dfe4de98990e7355283801
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.287