It affected my Dell studio laptop. I reverted back to the old kernel 3.5.0-17-generic and it's working.
subin@djlynux:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.10 Release: 12.10 Codename: quantal Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1075407 Title: BCM4322 Wireless Stopped Working after 3.5.0-18.29-generic Kernel Update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1075407/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
