linux-lts-utopic: Linux hardware enablement kernel from Utopic for Trusty Details: USN-2948-1 fixed vulnerabilities in the Ubuntu 14.10 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect reference counting fix in the radeon driver introduced a regression that could cause a system crash. This update fixes the problem. We apologize for the inconvenience. Original advisory USN 2948-1 introduced a regression in the Ubuntu 14.10 Linux kernel backported to Ubuntu 14.04 LTS.