SB20251226183 - Out-of-bounds read in Linux kernel mediatek mt76 driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226183
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) Out-of-bounds read (CVE-ID: CVE-2022-50701)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mt76s_tx_run_queue() function in drivers/net/wireless/mediatek/mt76/sdio_txrx.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/0b358e36433d2c46a65488a146bf8b4623fc5bbb
- https://git.kernel.org/stable/c/8b5174a7f25d03df0ffa171ff86de383a89e8e89
- https://git.kernel.org/stable/c/aec4cf2ea0797e28f18f8dbe01943a56d987fe56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3