I installed the official 5.15.0-32 (via >apt install linux-generic) released in these days and it also contains the problem
Linux ubuntu 5.15.0-32-generic #33-Ubuntu SMP Tue May 10 08:40:25 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970965 Title: Wifi randomly disconnects [AR9462] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs