SB20240531391 - NULL pointer dereference in Linux kernel usb dwc3 driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531391
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-2021-47273)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dwc3_meson_g12a_setup_regmaps() function in drivers/usb/dwc3/dwc3-meson-g12a.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/750a0d75564293be3ed50f13ef7f38ab75106421
- https://git.kernel.org/stable/c/d8dd3754e707104a34f8ec595034d503ea8871a2
- https://git.kernel.org/stable/c/4d2aa178d2ad2fb156711113790dde13e9aa2376
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13