Security updates for Thursday

Security updates have been issued by Debian (request-tracker4), Fedora (kernel and vim), Mageia (gerbv, gnupg2, pgadmin4, and python-coookiecutter), Slackware (xorg), SUSE (cifs-utils, gmp, gnutls, libnettle, kernel, libsolv, libzypp, zypper, logrotate, openssl-1_1, opera, squid, and virglrenderer), and Ubuntu (ca-certificates, git, linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon, linux, linux-aws, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gke, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-kvm, linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-aws, linux-oem-5.14, and vim).