1.修復的CVE ·CVE-2020-13776 描述：在systemd中發現了一個缺陷，它錯誤地處理了以十進制數字開頭的或以十六進制數字“0x”結尾的用戶名。當systemd使用這樣用戶名時，例如在服務單元中，可能會導致使用意外用戶。在某些特定配置中，該漏洞允許本地攻擊者提升其權限。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統 V10 SP1 ·aarch64架構: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·x86_64架構: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·銀河麒麟高級服務器操作系統 V10 SP2 ·aarch64架構: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat ·x86_64架構: systemd、systemd-container、systemd-devel、systemd-help、systemd-journal-remote、systemd-libs、systemd-udev、systemd-udev-compat 3.軟件包修復版本 ·銀河麒麟高級服務器操作系統 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 ·銀河麒麟高級服務器操作系統 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 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/ 銀河麒麟高級服務器操作系統 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-2020-13776: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 SP1 systemd(aarch64)軟件包下載地址: 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)軟件包下載地址: 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 ·銀河麒麟高級服務器操作系統 V10 SP2 systemd(aarch64)軟件包下載地址: 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)軟件包下載地址: 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