SB20250620121 - Improper error handling in Linux kernel realtek rtw89 driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620121
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 error handling (CVE-ID: CVE-2022-50178)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the _dpk_pas_read() function in drivers/net/wireless/realtek/rtw89/rtw8852a_rfk.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/065e83ac83c0c0e615b96947145c85c4bd76c09a
- https://git.kernel.org/stable/c/5abc81a138f873ab55223ec674afc3a3f945d60f
- https://git.kernel.org/stable/c/683a4647a7a3044868cfdc14c117525091b9fa0c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0