CVE-2024-43911 wifi: mac80211: fix NULL dereference at band check in starting tx ba session

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL dereference at band check in starting tx ba session In MLD connection, linkdata/linkconf are dynamically allocated. They don't point to vif-bssconf. So, there will be no chanreq assigned to vif-bssconf an...