CVE-2022-50880 wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: add peer map clean up for peer delete in ath10kstastate When peer delete failed in a disconnect operation, use-after-free detected by KFENCE in below log. It is because for each vdevid and address, it has only one...

CVE-2022-50880

Mode C CVE-2022-50880 affects the Linux kernel wifi driver ath10k. The issue arises from a use-after-free in ath10k_sta_state() when deleting peers: for a given vdev_id/address, multiple HTT_T2H peer_map entries could map to the same ath10k_peer, causing the first peer to be freed while a second ...