Ubuntu 16.04 Linux Kernel Vulnerabilities. Update Ubuntu 16.04 immediately as Canonical has published a new security notice to patch Linux Kernel Vulnerabilities for Ubuntu 16.04 LTS (Xenial Xerus). USN-3016-1: Linux kernel vulnerabilities Ubuntu Security Notice USN-3016-1 explains that a total of seven Linux kernel vulnerabilities have been found and then fixed in the updated kernel […]