1.修復的CVE ·CVE-2021-25214 描述：ISC BIND是美國ISC公司的一套實現了DNS協議的開源軟件。ISC BIND 存在安全漏洞，該漏洞導致接收已命名服務器無意中從區域數據庫中刪除有問題的區域的SOA記錄。 ·CVE-2021-25215 描述：bind中發現了一個缺陷。DNAME記錄的處理方式可能會觸發將同一RRset添加到應答部分多次，從而導致斷言檢查失敗。此漏洞的最大威脅是系統可用性。 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: bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind ·mips64el架構: bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind ·x86_64架構: bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind ·銀河麒麟高級服務器操作系統 V10 SP2 ·aarch64架構: bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind ·x86_64架構: bind、bind-chroot、bind-devel、bind-export-devel、bind-export-libs、bind-libs、bind-libs-lite、bind-pkcs11、bind-pkcs11-devel、bind-utils、python3-bind 3.軟件包修復版本 ·銀河麒麟高級服務器操作系統 V10 SP1 (aarch64、mips64el、x86_64) bind-9.11.21-6.ky10或以上版本 bind-chroot-9.11.21-6.ky10或以上版本 bind-devel-9.11.21-6.ky10或以上版本 bind-export-devel-9.11.21-6.ky10或以上版本 bind-export-libs-9.11.21-6.ky10或以上版本 bind-libs-9.11.21-6.ky10或以上版本 bind-libs-lite-9.11.21-6.ky10或以上版本 bind-pkcs11-9.11.21-6.ky10或以上版本 bind-pkcs11-devel-9.11.21-6.ky10或以上版本 bind-utils-9.11.21-6.ky10或以上版本 python3-bind-9.11.21-6.ky10或以上版本 ·銀河麒麟高級服務器操作系統 V10 SP2 (aarch64、x86_64) bind-9.11.21-6.ky10或以上版本 bind-chroot-9.11.21-6.ky10或以上版本 bind-devel-9.11.21-6.ky10或以上版本 bind-export-devel-9.11.21-6.ky10或以上版本 bind-export-libs-9.11.21-6.ky10或以上版本 bind-libs-9.11.21-6.ky10或以上版本 bind-libs-lite-9.11.21-6.ky10或以上版本 bind-pkcs11-9.11.21-6.ky10或以上版本 bind-pkcs11-devel-9.11.21-6.ky10或以上版本 bind-utils-9.11.21-6.ky10或以上版本 python3-bind-9.11.21-6.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/ mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/ 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-2021-25214:無需重啟操作系統與服務即可使漏洞修復生效。 CVE-2021-25215: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 bind(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-chroot-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-export-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-export-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-libs-lite-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/bind-utils-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm bind(mips64el)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-chroot-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-devel-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-export-devel-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-export-libs-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-libs-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-libs-lite-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-pkcs11-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-pkcs11-devel-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/bind-utils-9.11.21-6.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/base/mips64el/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm bind(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/bind-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-chroot-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-export-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-export-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-libs-lite-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/bind-utils-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm ·銀河麒麟高級服務器操作系統 V10 SP2 bind(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-chroot-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-chroot-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-export-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-export-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-export-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-export-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-libs-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-libs-lite-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-libs-lite-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-pkcs11-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/bind-utils-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bind-utils-9.11.21-6.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/aarch64/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm bind(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-chroot-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-chroot-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-export-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-export-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-export-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-export-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-libs-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-libs-lite-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-libs-lite-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-pkcs11-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-pkcs11-devel-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/bind-utils-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bind-utils-9.11.21-6.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/base/x86_64/Packages/python3-bind-9.11.21-6.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/python3-bind-9.11.21-6.ky10.noarch.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