1.修復的CVE ·CVE-2022-26691 描述：在 CUPS 打印系統(tǒng)中發(fā)現(xiàn)了一個授權(quán)漏洞。此安全漏洞發(fā)生在本地授權(quán)發(fā)生時。此漏洞允許攻擊者在沒有 32 字節(jié)密鑰的情況下以 root/admin 身份向 CUPS 進行身份驗證并執(zhí)行任意代碼執(zhí)行。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統(tǒng)（兼容版） V10 ·aarch64架構(gòu): cups、cups-client、cups-devel、cups-filesystem、cups-ipptool、cups-libs、cups-lpd ·x86_64架構(gòu): cups、cups-client、cups-devel、cups-filesystem、cups-ipptool、cups-libs、cups-lpd 3.軟件包修復版本 ·銀河麒麟高級服務器操作系統(tǒng)（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(jù)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(tǒng)（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.配置完成后執(zhí)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(jù)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(tǒng)： CVE-2022-26691:需要重啟 cups 以使漏洞修復生效。 5.軟件包下載地址 ·銀河麒麟高級服務器操作系統(tǒng)（兼容版） V10 cups(aarch64)軟件包下載地址: 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)軟件包下載地址: 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