CVE-2023-54141 — NULL Pointer Dereference in Linux

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Add missing hw_ops->get_ring_selector() for IPQ5018 During sending data after clients connected, hw_ops->get_ring_selector() will be called. But for IPQ5018, this member isn't set, and the following NULL pointer exception will be occurred: [ 38.840478] 8] (ath11k_dp_tx [ath11k]) from [] (ath11k_mac_op_tx+0x80/0x190 [ath11k]) [ 39.446607] [] (ath11k_mac_op_tx [ath11k]) from [] (ieee80211_handle_wake_tx_queue+0x7c…