1.修復的CVE ·CVE-2020-14347 描述：X.Org X Server是X.Org基金會的一款X Window系統顯示服務器。 該漏洞源于程序沒有正確初始化xserver內存。攻擊者可利用該漏洞泄露服務器內存或可能繞過ASLR。 ·CVE-2020-14360 描述：X.Org X Server是X.Org（X.org）基金會的一款X Window系統顯示服務器。 X.Org Server存在緩沖區錯誤漏洞，攻擊者可利用該漏洞可以通過XkbSetMap強制讀取無效地址，以觸發拒絕服務，或獲取敏感信息。 ·CVE-2020-14362 描述：xorg-x11-server是X.Org基金會的一款X窗口系統顯示服務器。 X.Org Server存在輸入驗證錯誤漏洞。該漏洞源于網絡系統或產品未對輸入的數據進行正確的驗證。 ·CVE-2020-25712 描述：xorg-x11-server是X.Org（X.org）基金會的一款X窗口系統顯示服務器。 X.Org Server存在緩沖區錯誤漏洞，攻擊者可利用該漏洞可以通過XkbSetDeviceInfo觸發緩沖區溢出，以觸發拒絕服務，并可能運行代碼。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統 V10 aarch64架構: 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架構: 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 ·中標麒麟高級服務器操作系統 V7 aarch64架構: 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架構: 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.軟件包修復版本 ·銀河麒麟高級服務器操作系統 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 ·中標麒麟高級服務器操作系統 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.修復方法 方法一：配置源進行升級安裝 1.打開軟件包源配置文件，根據倉庫地址進行修改。 倉庫源地址： 銀河麒麟高級服務器操作系統 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/ 中標麒麟高級服務器操作系統 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.配置完成后執行更新命令進行升級，命令如下： yum update Packagename 方法二：下載安裝包進行升級安裝 通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的軟件包列表進行升級安裝,命令如下： yum install Packagename 3.升級完成后是否需要重啟服務或操作系統： ·CVE-2020-14347：無需重啟操作系統與服務即可使漏洞修復生效。 ·CVE-2020-14360：無需重啟操作系統與服務即可使漏洞修復生效。 ·CVE-2020-14362：無需重啟操作系統與服務即可使漏洞修復生效。 ·CVE-2020-25712：無需重啟操作系統與服務即可使漏洞修復生效。 5.軟件包下載地址 ·銀河麒麟高級服務器操作系統 V10 xorg-x11-server（aarch64）軟件包下載地址: 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）軟件包下載地址: 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 ·中標麒麟高級服務器操作系統 V7 xorg-x11-server（aarch64）軟件包下載地址: 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）軟件包下載地址: 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：其他相關依賴包請到相同目錄下載 6.修復驗證 使用軟件包查詢命令，查看相關軟件包版本是否與修復版本一致，如果版本一致，則說明修復成功。 sudo rpm -qa | grep Packagename