linux阿里云centos6.5漏洞修复命令，48个紧急严重漏洞一一修复;安骑士最近一直提示系统存在高危漏洞，现将漏洞修复方法记载如下
RHSA-2015:2594: libpng security update (Moderate)
修复方式:
yum update libpng
RHSA-2015:1482: libuser security update (Important)
修复方式:
yum update libuser
RHSA-2017:0641: openssh security and bug fix update (Moderate)
修复方式:
yum update openssh
yum update openssh-clients
yum update openssh-server
RHSA-2017:0817: kernel security, bug fix, and enhancement update (Moderate)
修复方式:
yum update kernel
yum update kernel-devel
yum update kernel-firmware
yum update kernel-headers
RHSA-2016:2141: bind security update (Important)
修复方式:
yum update bind-libs
yum update bind-utils
RHSA-2017:1480: glibc security update (Important)
修复方式:
yum update glibc
yum update glibc-common
yum update glibc-devel
yum update glibc-headers
yum update nscd
RHSA-2015:1634: sqlite security update (Moderate)
修复方式:
yum update sqlite
RHSA-2016:0780: ntp security and bug fix update (Moderate)
修复方式:
yum update ntp
yum update ntpdate
RHSA-2015:1447: grep security, bug fix, and enhancement update (Low)
修复方式:
yum update grep
RHSA-2015:2549: libxml2 security update (Moderate)
修复方式:
yum update libxml2
RHSA-2015:2504: libreport security update (Moderate)
修复方式:
yum update libreport
RHSA-2016:0996: openssl security update (Important)
修复方式:
yum update openssl
RHSA-2015:1633: subversion security update (Moderate)
修复方式:
yum update subversion
RHSA-2015:1840: openldap security update (Important)
修复方式:
yum update openldap
RHSA-2017:1100: nss and nss-util security update (Critical)
修复方式:
yum update nss-util
yum update nss
RHSA-2016:2972: vim security update (Moderate)
修复方式:
yum update vim-common
yum update vim-enhanced
yum update vim-minimal
RHSA-2016:1547: libtiff security update (Important)
修复方式:
yum update libtiff
RHSA-2016:2674: libgcrypt security update (Moderate)
修复方式:
yum update libgcrypt
RHSA-2016:1626: python security update (Moderate)
修复方式:
yum update python
RHSA-2017:0680: glibc security and bug fix update
修复方式：
yum update glibc
yum update glibc-common
yum update glibc-devel
yum update glibc-headers
yum update nscd
RHSA-2016:0496: git security update
修复方式：
yum update git
yum update perl-Git
还剩下下边这两个，重启之后，还是没有解决，暂时就这样吧，阿里都不着急，我也就不着急了。
RHSA-2017:0574: gnutls security, bug fix, and enhancement update
修复方式：
yum update openssh
yum update openssh-askpass
yum update openssh-clients
yum update openssh-server
RHSA-2016:2824: expat security update
内核版本 Linux 2.6.32-358.6.2.el6.x86_64
执行命令rpm -qa|grep kernel*
kernel-devel-2.6.32-358.14.1.el6.x86_64
kernel-devel-2.6.32-696.10.1.el6.x86_64
kernel-headers-2.6.32-696.10.1.el6.x86_64
dracut-kernel-004-283.el6.noarch
kernel-2.6.32-358.6.2.el6.x86_64
kernel-firmware-2.6.32-696.10.1.el6.noarch
kernel-2.6.32-279.el6.x86_64