Linux Kernel r8188eu Driver Buffer Overflow Vulnerability in Wi-Fi SSID Handling

A buffer overflow vulnerability has been addressed in the Linux kernel's staging area, specifically within the r8188eu Wi-Fi driver. The issue arose in the rtw_wx_set_scan() function, where a check was already in place to prevent read overflow. However, an additional check was needed to stop writing beyond the end of the SSID array.

Impact

Exploitation of this vulnerability could lead to a buffer overflow, which often allows for arbitrary code execution or causing a denial-of-service condition.