The following updates has been released for Ubuntu Linux:
USN-3729-1: libxcursor vulnerabilityLibxcursor, LXC, LFTP, Linux Kernel Updates for Ubuntu
USN-3730-1: LXC vulnerability
USN-3731-1: LFTP vulnerability
USN-3731-2: LFTP vulnerability
USN-3732-1: Linux kernel vulnerability
USN-3732-2: Linux kernel (HWE) vulnerability