SB20241230190 - Improper locking in Linux kernel realtek rtw88 driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230190
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-2024-56609)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the rtw_usb_tx_handler() and rtw_usb_deinit_tx() functions in drivers/net/wireless/realtek/rtw88/usb.c, within the rtw_sdio_deinit_tx() function in drivers/net/wireless/realtek/rtw88/sdio.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.