SB2025100538 - Improper locking in Linux kernel atheros alx driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100538
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-2022-50498)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the alx_suspend() and alx_resume() functions in drivers/net/ethernet/atheros/alx/main.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/6ad1c94e1e7e374d88f0cfd77936dddb8339aaba
- https://git.kernel.org/stable/c/6f1991a940b90753b34570f093a21dba366e8cc0
- https://git.kernel.org/stable/c/a845a0c4bdece2c0073ecea2fca7c4d5f0550f78
- https://git.kernel.org/stable/c/c0323c0fd07804d5874699e93f935cda0d989c67
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3