The following updates has been released for Ubuntu Linux:
USN-3650-1: xdg-utils vulnerabilityLinux Kernel, QEMU, xdg-utils Updates for Ubuntu
USN-3651-1: QEMU update
USN-3652-1: Linux kernel vulnerability
USN-3653-1: Linux kernel vulnerabilities
USN-3653-2: Linux kernel (HWE) vulnerabilities
USN-3654-1: Linux kernel vulnerabilities
USN-3655-2: Linux kernel (Trusty HWE) vulnerabilities