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 upstream stable v3.5.4
* Enable CONFIG_HID_BATTERY_STRENGTH=y (LP: #1003090)
* eCryptfs: Copy up attributes of the lower target inode after rename (LP: #561129)
* eCryptfs: Write out all dirty pages just before releasing the lower file (LP: #1047261)
* eCryptfs: Call lower ->flush() from ecryptfs_flush() (LP: #1047261)
* af_netlink: force credentials passing [CVE-2012-3520] (LP: #1052097)
* drm/i915: clarify IBX dp workaround (LP: #1011440)

The full changelog can be seen at:

https://launchpad.net/ubuntu/+source/linux/3.5.0-15.20