I am experiencing the same issue after updating to 24H2, only I'm trying to connect to an openSuse TW smb share. My M1 Mac can connect to it, and my Win 10 box can connect to it, and the Win 11 box can connect to the mac via smb, but not to the linux one. I think that 24H2 update is buggy. It is the only thing that changed on my network and other people have been reporting various sharing and network connectivity issues with this update.