We have uploaded a new Quantal linux kernel to quantal-proposed. Please note the ABI Bump. The most notable changes are as follows:

* Rebase to v3.5.3
* Add smsc{79}5xx to nic-usb-modules (LP: #1041397)

The full changelog can be seen at:

https://launchpad.net/ubuntu/+source/linux/3.5.0-13.13