In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix NULL pointer access in mt7921_ipv6_addr_change When disabling wifi mt7921_ipv6_addr_change() is called as a notifier. At this point mvif->phy is already NULL so we cannot use it here.
https://git.kernel.org/stable/c/8d92bafd4c67efb692f722d73a07412b5f88c6d6
https://git.kernel.org/stable/c/4bfee9346d8c17d928ef6da2b8bffab88fa2a553
https://git.kernel.org/stable/c/479ffee68d59c599f8aed8fa2dcc8e13e7bd13c3