Linux Kernel rtw88 Memory Overrun and Leak Vulnerability During Hardware Scan

A vulnerability in the Linux kernel's rtw88 driver has been addressed, which involved a memory overrun and leak during hardware scanning. The issue arose because insufficient memory was allocated, leading to buffer overwrites that caused the memory management module to raise access violation errors. Additionally, the vulnerability created potential memory leaks when the function returned early. The issue has been resolved by allocating the correct amount of memory and implementing proper deinitialization procedures.

Impact

Exploitation of this vulnerability could lead to memory corruption and access violation faults, disrupting normal kernel operations. The memory leak could also cause increased resource consumption, potentially leading to performance degradation.