linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty Details: USN-3522-2 fixed a vulnerability in the Linux Hardware Enablement kernel for Linux Mint 17.x LTS to address Meltdown . Unfortunately, that update introduced a regression where a few systems failed to boot successfully. This update fixes the problem. We apologize for the inconvenience. Original advisory USN-3522-2 introduced a regression in the Linux Hardware Enablement kernel.