1.修复的CVE ·CVE-2020-13776 描述：在systemd中发现了一个缺陷，它错误地处理了以十进制数字开头的或以十六进制数字“0x”结尾的用户名。当systemd使用这样用户名时，例如在服务单元中，可能会导致使用意外用户。在某些特定配置中，该漏洞允许本地攻击者提升其权限。 2.受影响的软件包 ·银河麒麟高级服务器操作系统 V10 SP1 ·aarch64架构: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·x86_64架构: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·银河麒麟高级服务器操作系统 V10 SP2 ·aarch64架构: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·x86_64架构: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat 3.软件包修复版本 ·银河麒麟高级服务器操作系统 V10 SP1 (aarch64、x86_64) systemd-243-31.se.p09.ky10或以上版本 systemd-container-243-31.se.p09.ky10或以上版本 systemd-devel-243-31.se.p09.ky10或以上版本 systemd-help-243-31.se.p09.ky10或以上版本 systemd-journal-remote-243-31.se.p09.ky10或以上版本 systemd-libs-243-31.se.p09.ky10或以上版本 systemd-udev-243-31.se.p09.ky10或以上版本 systemd-udev-compat-243-31.se.p09.ky10或以上版本 ·银河麒麟高级服务器操作系统 V10 SP2 (aarch64、x86_64) systemd-243-31.se.p09.ky10或以上版本 systemd-container-243-31.se.p09.ky10或以上版本 systemd-devel-243-31.se.p09.ky10或以上版本 systemd-help-243-31.se.p09.ky10或以上版本 systemd-journal-remote-243-31.se.p09.ky10或以上版本 systemd-libs-243-31.se.p09.ky10或以上版本 systemd-udev-243-31.se.p09.ky10或以上版本 systemd-udev-compat-243-31.se.p09.ky10或以上版本 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 SP1 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/ 银河麒麟高级服务器操作系统 V10 SP2 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP2/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-2020-13776: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 SP1 systemd(aarch64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-container-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-devel-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-help-243-31.se.p09.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-journal-remote-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-libs-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-udev-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-udev-compat-243-31.se.p09.ky10.aarch64.rpm systemd(x86_64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-container-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-devel-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-help-243-31.se.p09.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-journal-remote-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-libs-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-udev-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-udev-compat-243-31.se.p09.ky10.x86_64.rpm ·银河麒麟高级服务器操作系统 V10 SP2 systemd(aarch64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-container-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-devel-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-help-243-31.se.p09.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-journal-remote-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-libs-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-udev-243-31.se.p09.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-udev-compat-243-31.se.p09.ky10.aarch64.rpm systemd(x86_64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-container-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-devel-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-help-243-31.se.p09.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-journal-remote-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-libs-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-udev-243-31.se.p09.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-udev-compat-243-31.se.p09.ky10.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