1.修复的CVE ·CVE-2020-14347 描述：X.Org X Server是X.Org基金会的一款X Window系统显示服务器。 该漏洞源于程序没有正确初始化xserver内存。攻击者可利用该漏洞泄露服务器内存或可能绕过ASLR。 ·CVE-2020-14360 描述：X.Org X Server是X.Org（X.org）基金会的一款X Window系统显示服务器。 X.Org Server存在缓冲区错误漏洞，攻击者可利用该漏洞可以通过XkbSetMap强制读取无效地址，以触发拒绝服务，或获取敏感信息。 ·CVE-2020-14362 描述：xorg-x11-server是X.Org基金会的一款X窗口系统显示服务器。 X.Org Server存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。 ·CVE-2020-25712 描述：xorg-x11-server是X.Org（X.org）基金会的一款X窗口系统显示服务器。 X.Org Server存在缓冲区错误漏洞，攻击者可利用该漏洞可以通过XkbSetDeviceInfo触发缓冲区溢出，以触发拒绝服务，并可能运行代码。 2.受影响的软件包 ·银河麒麟高级服务器操作系统 V10 aarch64架构: xorg-x11-server-Xdmx、xorg-x11-server-Xephyr、xorg-x11-server-Xnest、xorg-x11-server-Xorg、xorg-x11-server-Xvfb、xorg-x11-server-Xwayland、xorg-x11-server-common、xorg-x11-server-devel、xorg-x11-server-source x86_64架构: xorg-x11-server-Xdmx、xorg-x11-server-Xephyr、xorg-x11-server-Xnest、xorg-x11-server-Xorg、xorg-x11-server-Xvfb、xorg-x11-server-Xwayland、xorg-x11-server-common、xorg-x11-server-devel、xorg-x11-server-source ·中标麒麟高级服务器操作系统 V7 aarch64架构: xorg-x11-server-Xdmx、xorg-x11-server-Xephyr、xorg-x11-server-Xnest、xorg-x11-server-Xorg、xorg-x11-server-Xvfb、xorg-x11-server-Xwayland、xorg-x11-server-common、xorg-x11-server-devel、xorg-x11-server-source x86_64架构: xorg-x11-server-Xdmx、xorg-x11-server-Xephyr、xorg-x11-server-Xnest、xorg-x11-server-Xorg、xorg-x11-server-Xvfb、xorg-x11-server-Xwayland、xorg-x11-server-common、xorg-x11-server-devel、xorg-x11-server-source 3.软件包修复版本 ·银河麒麟高级服务器操作系统 V10 xorg-x11-server-Xdmx-1.20.4-15.el7_9 xorg-x11-server-Xephyr-1.20.4-15.el7_9 xorg-x11-server-Xnest-1.20.4-15.el7_9 xorg-x11-server-Xorg-1.20.4-15.el7_9 xorg-x11-server-Xvfb-1.20.4-15.el7_9 xorg-x11-server-Xwayland-1.20.4-15.el7_9 xorg-x11-server-common-1.20.4-15.el7_9 xorg-x11-server-devel-1.20.4-15.el7_9 xorg-x11-server-source-1.20.4-15.el7_9 ·中标麒麟高级服务器操作系统 V7 xorg-x11-server-Xdmx-1.20.4-15.el7_9 xorg-x11-server-Xephyr-1.20.4-15.el7_9 xorg-x11-server-Xnest-1.20.4-15.el7_9 xorg-x11-server-Xorg-1.20.4-15.el7_9 xorg-x11-server-Xvfb-1.20.4-15.el7_9 xorg-x11-server-Xwayland-1.20.4-15.el7_9 xorg-x11-server-common-1.20.4-15.el7_9 xorg-x11-server-devel-1.20.4-15.el7_9 xorg-x11-server-source-1.20.4-15.el7_9 4.修复方法 方法一：配置源进行升级安装 1.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： 银河麒麟高级服务器操作系统 V10 aarch64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/ 中标麒麟高级服务器操作系统 V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/ 2.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 3.升级完成后是否需要重启服务或操作系统： ·CVE-2020-14347：无需重启操作系统与服务即可使漏洞修复生效。 ·CVE-2020-14360：无需重启操作系统与服务即可使漏洞修复生效。 ·CVE-2020-14362：无需重启操作系统与服务即可使漏洞修复生效。 ·CVE-2020-25712：无需重启操作系统与服务即可使漏洞修复生效。 5.软件包下载地址 ·银河麒麟高级服务器操作系统 V10 xorg-x11-server（aarch64）软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xdmx-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xephyr-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xnest-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xorg-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xvfb-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xwayland-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-common-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-source-1.20.4-15.el7_9.noarch.rpm xorg-x11-server（x86_64）软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xdmx-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xephyr-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xnest-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xorg-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xvfb-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xwayland-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-common-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-source-1.20.4-15.el7_9.noarch.rpm ·中标麒麟高级服务器操作系统 V7 xorg-x11-server（aarch64）软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xdmx-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xephyr-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xnest-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xorg-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xvfb-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-Xwayland-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-common-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/xorg-x11-server-source-1.20.4-15.el7_9.noarch.rpm xorg-x11-server（x86_64）软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xdmx-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xephyr-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xnest-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xorg-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xvfb-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-Xwayland-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-common-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-devel-1.20.4-15.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/xorg-x11-server-source-1.20.4-15.el7_9.noarch.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