1.修复的CVE ·CVE-2022-26691 描述：在 CUPS 打印系统中发现了一个授权漏洞。此安全漏洞发生在本地授权发生时。此漏洞允许攻击者在没有 32 字节密钥的情况下以 root/admin 身份向 CUPS 进行身份验证并执行任意代码执行。 2.受影响的软件包 ·银河麒麟高级服务器操作系统（兼容版） V10 ·aarch64架构: cups、cups-client、cups-devel、cups-filesystem、cups-ipptool、cups-libs、cups-lpd ·x86_64架构: cups、cups-client、cups-devel、cups-filesystem、cups-ipptool、cups-libs、cups-lpd 3.软件包修复版本 ·银河麒麟高级服务器操作系统（兼容版） V10 (aarch64、x86_64) cups-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-client-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-devel-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-filesystem-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-ipptool-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-libs-2.2.6-45.el8_6.2.ks8.01或以上版本 cups-lpd-2.2.6-45.el8_6.2.ks8.01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： 银河麒麟高级服务器操作系统（兼容版） V10 aarch64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-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-2022-26691:需要重启 cups 以使漏洞修复生效。 5.软件包下载地址 ·银河麒麟高级服务器操作系统（兼容版） V10 cups(aarch64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.aarch64.rpm cups(x86_64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-client-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-devel-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-filesystem-2.2.6-45.el8_6.2.ks8.01.noarch.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-ipptool-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-libs-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cups-lpd-2.2.6-45.el8_6.2.ks8.01.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