1.修復(fù)的CVE ·CVE-2021-4122 描述：Cryptsetup是是一個(gè)實(shí)用程序，用于基于DMCrypt內(nèi)核模塊方便地設(shè)置磁盤加密。cryptsetup 存在安全漏洞，該漏洞源于軟件對(duì)于數(shù)據(jù)真實(shí)性缺乏有效的驗(yàn)證。一個(gè)特別制作的LUKS頭可以欺騙cryptsetup在設(shè)備恢復(fù)期間禁用加密。物理訪問介質(zhì)(如閃存盤)的攻擊者可以利用這個(gè)漏洞迫使用戶永久禁用該介質(zhì)的加密層。 2.受影響的軟件包 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（兼容版） V10 ·aarch64架構(gòu): cryptsetup、cryptsetup-devel、cryptsetup-libs、cryptsetup-reencrypt、integritysetup、veritysetup ·x86_64架構(gòu): cryptsetup、cryptsetup-devel、cryptsetup-libs、cryptsetup-reencrypt、integritysetup、veritysetup 3.軟件包修復(fù)版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（兼容版） V10 (aarch64、x86_64) cryptsetup-2.3.7-2.el8或以上版本 cryptsetup-devel-2.3.7-2.el8或以上版本 cryptsetup-libs-2.3.7-2.el8或以上版本 cryptsetup-reencrypt-2.3.7-2.el8或以上版本 integritysetup-2.3.7-2.el8或以上版本 veritysetup-2.3.7-2.el8或以上版本 4.修復(fù)方法 方法一：配置源進(jìn)行升級(jí)安裝 1.打開軟件包源配置文件，根據(jù)倉庫地址進(jìn)行修改。 倉庫源地址： 銀河麒麟高級(jí)服務(wù)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(jìn)行升級(jí)，命令如下： yum update Packagename 方法二：下載安裝包進(jìn)行升級(jí)安裝 通過軟件包地址下載軟件包，使用軟件包升級(jí)命令根據(jù)受影響的軟件包 列表進(jìn)行升級(jí)安裝, 命令如下： yum install Packagename 3.升級(jí)完成后是否需要重啟服務(wù)或操作系統(tǒng)： CVE-2021-4122:需要重啟 cryptsetup 以使漏洞修復(fù)生效。 5.軟件包下載地址 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng)（兼容版） V10 cryptsetup(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cryptsetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cryptsetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cryptsetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cryptsetup-devel-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cryptsetup-devel-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cryptsetup-devel-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cryptsetup-libs-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cryptsetup-libs-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cryptsetup-libs-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/integritysetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/integritysetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/integritysetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/veritysetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/veritysetup-2.3.7-2.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/veritysetup-2.3.7-2.el8.aarch64.rpm cryptsetup(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/cryptsetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-devel-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-libs-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/cryptsetup-reencrypt-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/integritysetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/integritysetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/integritysetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/veritysetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/veritysetup-2.3.7-2.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/veritysetup-2.3.7-2.el8.x86_64.rpm 注：其他相關(guān)依賴包請(qǐng)到相同目錄下載 6.修復(fù)驗(yàn)證 使用軟件包查詢命令，查看相關(guān)軟件包版本是否與修復(fù)版本一致，如果版本一致，則說明修復(fù)成功。 sudo rpm -qa | grep Packagename