SB20240531313 - NULL pointer dereference in Linux kernel usb musb driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531313
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) NULL pointer dereference (CVE-ID: CVE-2021-47436)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dsps_probe() function in drivers/usb/musb/musb_dsps.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/5ed60a430fb5f3d93e7fef66264daef466b4d10c
- https://git.kernel.org/stable/c/e923bce31ffefe4f60edfc6b84f62d4a858f3676
- https://git.kernel.org/stable/c/9ab5d539bc975b8dcde86eca1b58d836b657732e
- https://git.kernel.org/stable/c/9d89e287116796bf987cc48f5c8632ef3048f8eb
- https://git.kernel.org/stable/c/ff9249aab39820be11b6975a10d94253b7d426fc
- https://git.kernel.org/stable/c/c2115b2b16421d93d4993f3fe4c520e91d6fe801
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.252
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.213
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.155