Linux Kernel Deadlock Vulnerability in rtw_surveydone_event_callback()

A deadlock vulnerability has been identified in the Linux kernel's RTL8723BS Wi-Fi driver, specifically within the rtw_surveydone_event_callback() function. The issue arises when one thread holds a lock and waits for a timer to stop, while another thread requires the same lock to proceed, creating a permanent block. The vulnerability affects several versions of the Linux kernel.

Impact

Exploitation of this vulnerability leads to a deadlock, causing the rtw_surveydone_event_callback() function to block indefinitely.

Remediation

Users can apply the latest patches available in the Linux kernel repository to address this vulnerability.