Linux Kernel ath12k Wi-Fi Header Vulnerability Leading to Memory Corruption

A vulnerability in the Linux kernel's ath12k Wi-Fi driver can cause memory corruption by improperly handling packets with a length exceeding the maximum native Wi-Fi header size. This issue arises in the ath12k_dp_rx_h_undecap_nwifi function when processing packets for the DP_RX_DECAP_TYPE_NATIVE_WIFI decap type. The vulnerability has been addressed by adding a sanity check to prevent invalid data access before the SKB (socket buffer) is processed.

Impact

The vulnerability can lead to invalid data access and memory corruption.