SB20250916167 - NULL pointer dereference in Linux kernel mt76 mt7921 driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916167
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-2023-53232)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mt7921_mcu_parse_response() function in drivers/net/wireless/mediatek/mt76/mt7921/mcu.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/11181b6c8641cd417935b76ea997d0169f2db262
- https://git.kernel.org/stable/c/12db28c3ef31f719bd18fa186a40bb152e6a527c
- https://git.kernel.org/stable/c/c8ba6780c65f681d217de79e17d63d5d538a239f
- https://git.kernel.org/stable/c/ec4d97e8eddcfa9f63f2f62adec5fb4f941ba2ef
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2