1.修复的CVE ·CVE-2017-6519 描述：Avahi是一套用于Linux的本地服务发现工具。Avahi 0.6.32及之前的版本中的avahi-daemon存在安全漏洞。远程攻击者可利用该漏洞造成拒绝服务或获取敏感信息。 2.受影响的软件包 ·中标麒麟高级服务器操作系统 V7 aarch64架构: avahi、avahi-autoipd、avahi-compat-howl、avahi-compat-howl-devel、avahi-compat-libdns_sd、avahi-compat-libdns_sd-devel、avahi-devel、avahi-dnsconfd、avahi-glib、avahi-glib-devel、avahi-gobject、avahi-gobject-devel、avahi-libs、avahi-qt3、avahi-qt3-devel、avahi-qt4、avahi-qt4-devel、avahi-tools、avahi-ui、avahi-ui-devel、avahi-ui-gtk3、avahi-ui-tools x86_64架构: avahi、avahi-autoipd、avahi-compat-howl、avahi-compat-howl-devel、avahi-compat-libdns_sd、avahi-compat-libdns_sd-devel、avahi-devel、avahi-dnsconfd、avahi-glib、avahi-glib-devel、avahi-gobject、avahi-gobject-devel、avahi-libs、avahi-qt3、avahi-qt3-devel、avahi-qt4、avahi-qt4-devel、avahi-tools、avahi-ui、avahi-ui-devel、avahi-ui-gtk3、avahi-ui-tools 3.软件包修复版本 ·中标麒麟高级服务器操作系统 V7 avahi-0.6.31-20.el7 avahi-autoipd-0.6.31-20.el7 avahi-compat-howl-0.6.31-20.el7 avahi-compat-howl-devel-0.6.31-20.el7 avahi-compat-libdns_sd-0.6.31-20.el7 avahi-compat-libdns_sd-devel-0.6.31-20.el7 avahi-devel-0.6.31-20.el7 avahi-dnsconfd-0.6.31-20.el7 avahi-glib-0.6.31-20.el7 avahi-glib-devel-0.6.31-20.el7 avahi-gobject-0.6.31-20.el7 avahi-gobject-devel-0.6.31-20.el7 avahi-libs-0.6.31-20.el7 avahi-qt3-0.6.31-20.el7 avahi-qt3-devel-0.6.31-20.el7 avahi-qt4-0.6.31-20.el7 avahi-qt4-devel-0.6.31-20.el7 avahi-tools-0.6.31-20.el7 avahi-ui-0.6.31-20.el7 avahi-ui-devel-0.6.31-20.el7 avahi-ui-gtk3-0.6.31-20.el7 avahi-ui-tools-0.6.31-20.el7 4.修复方法 方法一：配置源进行升级安装 76.打开软件包源配置文件，根据仓库地址进行修改。 仓库源地址： 中标麒麟高级服务器操作系统 V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/ 77.配置完成后执行更新命令进行升级，命令如下： yum update Packagename 方法二：下载安装包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包 列表进行升级安装,命令如下： yum install Packagename 78.升级完成后是否需要重启服务或操作系统： ·CVE-2017-6519：需要重启 avahi 以使漏洞修复生效。 5.软件包下载地址 ·中标麒麟高级服务器操作系统 V7 avahi（aarch64）软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-autoipd-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-compat-howl-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-compat-howl-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-compat-libdns_sd-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-compat-libdns_sd-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-dnsconfd-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-glib-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-glib-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-gobject-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-gobject-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-libs-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-qt3-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-qt3-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-qt4-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-qt4-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-tools-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-ui-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-ui-devel-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-ui-gtk3-0.6.31-20.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/avahi-ui-tools-0.6.31-20.el7.aarch64.rpm avahi（x86_64）软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-autoipd-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-howl-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-howl-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-howl-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-howl-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-libdns_sd-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-libdns_sd-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-libdns_sd-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-compat-libdns_sd-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-dnsconfd-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-glib-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-glib-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-glib-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-glib-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-gobject-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-gobject-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-gobject-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-gobject-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-libs-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-libs-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt3-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt3-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt3-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt3-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt4-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt4-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt4-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-qt4-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-tools-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-devel-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-devel-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-gtk3-0.6.31-20.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-gtk3-0.6.31-20.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/avahi-ui-tools-0.6.31-20.el7.x86_64.rpm 注：其他相关依赖包请到相同目录下载 6.修复验证 使用软件包查询命令，查看相关软件包版本是否与修复版本一致，如果版本一致，则说明修复成功。 sudo rpm -qa | grep Packagename