The following security update has been released for Ubuntu Linux:
USN-3531-2: Intel Microcode regressionKernel / Microcode / MySQL / OpenSSH / GIMP Security Updates for Ubuntu
USN-3537-1: MySQL vulnerabilities
USN-3538-1: OpenSSH vulnerabilities
USN-3539-1: GIMP vulnerabilities
USN-3540-1: Linux kernel vulnerabilities
USN-3540-2: Linux kernel (Xenial HWE) vulnerabilities
USN-3541-1: Linux kernel vulnerabilities
USN-3541-2: Linux kernel (HWE) vulnerabilities
USN-3542-1: Linux kernel vulnerabilities
USN-3542-2: Linux kernel (Trusty HWE) vulnerabilities