RHSA-2016:2674: libgcrypt security update (Moderate)： yum update libgcrypt RHSA-2017:1372: kernel security and bug fix update (Moderate)： yum update kernel yum update kernel-firmware yum update kernel-devel yum update kernel-headers glibc security update (Important)： yum update glibc yum update glibc-common yum update glibc-devel yum update glibc-headers RHSA-2017:0641: openssh security and bug fix update (Moderate)： yum update openssh yum update openssh-clients yum update openssh-server RHSA-2017:0286: openssl security update (Moderate)： yum update openssl yum update openssl-devel RHSA-2016:2972: vim security update (Moderate)： yum update vim-filesystem yum update vim-minimal RHSA-2017:1100: nss and nss-util security update (Critical)： yum update nss-util yum update nss yum update nss-sysinit yum update nss-tools