Samsung Exynos Processors Unbounded Memory Allocation Vulnerability in Wi-Fi Driver Leading to Kernel Memory Exhaustion

A vulnerability exists in the Wi-Fi driver of Samsung Mobile and Wearable Processors, specifically Exynos 980, 850, 1080, 1280, 2200, 1330, 1380, 1480, 1580, W920, W930, and W1000. The issue arises from unbounded memory allocation caused by a large buffer in a write operation to /proc/driver/unifi0/send_addts', which leads to exhaustion of kernel memory.

Impact

Exploitation of this vulnerability causes exhaustion of kernel memory, which can lead to a denial-of-service condition where the system becomes unresponsive or unable to allocate memory for critical processes.