1.修復的CVE ·CVE-2019-20386 描述：systemd是德國Lennart Poettering軟件開發者的一款基于Linux的系統和服務管理器。該產品兼容了SysV和LSB的啟動腳本，且提供了一個用來表示系統服務間依賴關系的框架。systemd 243之前版本中的login/logind-button.c文件的button_open存在安全漏洞。攻擊者可利用該漏洞造成內存泄漏。 2.受影響的軟件包 ·中標麒麟高級服務器操作系統 V7 aarch64架構: libgudev1、libgudev1-devel、systemd、systemd-devel、systemd-journal-gateway、systemd-libs、systemd-networkd、systemd-python、systemd-resolved、systemd-sysv x86_64架構: libgudev1、libgudev1-devel、systemd、systemd-devel、systemd-journal-gateway、systemd-libs、systemd-networkd、systemd-python、systemd-resolved、systemd-sysv 3.軟件包修復版本 ·中標麒麟高級服務器操作系統 V7 libgudev1-219-78.el7_9.5 libgudev1-devel-219-78.el7_9.5 systemd-219-78.el7_9.5 systemd-devel-219-78.el7_9.5 systemd-journal-gateway-219-78.el7_9.5 systemd-libs-219-78.el7_9.5 systemd-networkd-219-78.el7_9.5 systemd-python-219-78.el7_9.5 systemd-resolved-219-78.el7_9.5 systemd-sysv-219-78.el7_9.5 4.修復方法 方法一：配置源進行升級安裝 343.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： 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/ 344.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 345.升級完成后是否需要重啟服務或操作系統： ·CVE-2019-20386：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 ·中標麒麟高級服務器操作系統 V7 systemd（aarch64）軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/libgudev1-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/libgudev1-devel-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-devel-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-journal-gateway-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-libs-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-networkd-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-python-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-resolved-219-78.el7_9.5.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/systemd-sysv-219-78.el7_9.5.aarch64.rpm systemd（x86_64）軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libgudev1-219-78.el7_9.5.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libgudev1-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libgudev1-devel-219-78.el7_9.5.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libgudev1-devel-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-devel-219-78.el7_9.5.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-devel-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-journal-gateway-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-libs-219-78.el7_9.5.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-libs-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-networkd-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-python-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-resolved-219-78.el7_9.5.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-resolved-219-78.el7_9.5.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/systemd-sysv-219-78.el7_9.5.x86_64.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