Security updates for Tuesday

Security updates have been issued by Debian (activemq, libav, minicom, mysql-5.5, tiff3, and xen), Fedora (ansible, collectd, icu, and pcre), openSUSE (chromium and firefox), Red Hat (chromium-browser and kernel), Slackware (firefox), and Ubuntu (kernel, linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon, linux, linux-raspi2, linux-hwe, linux-lts-trusty, linux-lts-xenial, qemu, and samba).