1.修复的CVE ·CVE-2018-15473 描述：OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 7.7及之前版本中存在竞争条件问题漏洞。该漏洞源于网络系统或产品在运行过程中，并发代码需要互斥地访问共享资源时，对于并发访问的处理不当。 2.受影响的软件包 ·中标麒麟高级服务器操作系统 V7 ·aarch64架构: openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-keycat、openssh-ldap、openssh-server、openssh-server-sysvinit、pam_ssh_agent_auth ·x86_64架构: openssh、openssh-askpass、openssh-cavs、openssh-clients、openssh-keycat、openssh-ldap、openssh-server、openssh-server-sysvinit、pam_ssh_agent_auth 3.软件包修复版本 ·中标麒麟高级服务器操作系统 V7 (aarch64、x86_64) openssh-7.4p1-21.el7.ns7.01或以上版本 openssh-askpass-7.4p1-21.el7.ns7.01或以上版本 openssh-cavs-7.4p1-21.el7.ns7.01或以上版本 openssh-clients-7.4p1-21.el7.ns7.01或以上版本 openssh-keycat-7.4p1-21.el7.ns7.01或以上版本 openssh-ldap-7.4p1-21.el7.ns7.01或以上版本 openssh-server-7.4p1-21.el7.ns7.01或以上版本 openssh-server-sysvinit-7.4p1-21.el7.ns7.01或以上版本 pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01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： 中标麒麟高级服务器操作系统 V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/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-2018-15473:需要重启 openssh 以使漏洞修复生效。 5.软件包下载地址 ·中标麒麟高级服务器操作系统 V7 openssh(aarch64)软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-server-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.aarch64.rpm openssh(x86_64)软件包下载地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-askpass-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-cavs-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-clients-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-keycat-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-ldap-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-server-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/openssh-server-sysvinit-7.4p1-21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/pam_ssh_agent_auth-0.10.3-2.21.el7.ns7.01.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