1.修復的CVE ·CVE-2017-11671 描述：在某些情況下，GNU編譯器集合（GCC）版本4.6、4.7、4.8、4.9、5.5之前的5和6.4之前的6版本中，i386.c中的ix86_expand犵u builtin函數會生成指令序列，在讀取RDRAND和RDSEED內部函數的狀態標志之前，會對其進行清除，可能導致這些指令的故障未報告。這可能會導致隨機數生成的隨機性降低。 2.受影響的軟件包 ·中標麒麟高級服務器操作系統 V7 aarch64架構: cpp、gcc、gcc-c++、gcc-gfortran、gcc-gnat、gcc-objc++、gcc-objc、gcc-plugin-devel、libgcc、libgfortran、libgfortran-static、libgnat、libgnat-devel、libgnat-static、libgomp、libitm、libitm-devel、libitm-static、libmudflap、libmudflap-devel、libmudflap-static、libobjc、libstdc++、libstdc++-devel、libstdc++-docs、libstdc++-static x86_64架構: cpp、gcc、gcc-c++、gcc-gfortran、gcc-gnat、gcc-go、gcc-objc++、gcc-objc、gcc-plugin-devel、libasan、libasan-static、libatomic、libatomic-static、libgcc、libgfortran、libgfortran-static、libgnat、libgnat-devel、libgnat-static、libgo、libgo-devel、libgo-static、libgomp、libitm、libitm-devel、libitm-static、libmudflap、libmudflap-devel、libmudflap-static、libobjc、libquadmath、libquadmath-devel、libquadmath-static、libstdc++、libstdc++-devel、libstdc++-docs、libstdc++-static、libtsan、libtsan-static 3.軟件包修復版本 ·中標麒麟高級服務器操作系統 V7 cpp-4.8.5-36.el7.ns7.01 gcc-4.8.5-36.el7.ns7.01 gcc-c++-4.8.5-36.el7.ns7.01 gcc-gfortran-4.8.5-36.el7.ns7.01 gcc-gnat-4.8.5-36.el7.ns7.01 gcc-objc++-4.8.5-36.el7.ns7.01 gcc-objc-4.8.5-36.el7.ns7.01 gcc-plugin-devel-4.8.5-36.el7.ns7.01 libgcc-4.8.5-36.el7.ns7.01 libgfortran-4.8.5-36.el7.ns7.01 libgfortran-static-4.8.5-36.el7.ns7.01 libgnat-4.8.5-36.el7.ns7.01 libgnat-devel-4.8.5-36.el7.ns7.01 libgnat-static-4.8.5-36.el7.ns7.01 libgomp-4.8.5-36.el7.ns7.01 libitm-4.8.5-36.el7.ns7.01 libitm-devel-4.8.5-36.el7.ns7.01 libitm-static-4.8.5-36.el7.ns7.01 libmudflap-4.8.5-36.el7.ns7.01 libmudflap-devel-4.8.5-36.el7.ns7.01 libmudflap-static-4.8.5-36.el7.ns7.01 libobjc-4.8.5-36.el7.ns7.01 libstdc++-4.8.5-36.el7.ns7.01 libstdc++-devel-4.8.5-36.el7.ns7.01 libstdc++-docs-4.8.5-36.el7.ns7.01 libstdc++-static-4.8.5-36.el7.ns7.01 4.修復方法 方法一：配置源進行升級安裝 124.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： 中標麒麟高級服務器操作系統 V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/ 125.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 126.升級完成后是否需要重啟服務或操作系統： ·CVE-2017-11671：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 ·中標麒麟高級服務器操作系統 V7 gcc（aarch64）軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/cpp-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-c++-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-gfortran-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-gnat-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-objc++-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-objc-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/gcc-plugin-devel-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgcc-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgfortran-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgfortran-static-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgnat-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgnat-devel-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgnat-static-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libgomp-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libitm-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libitm-devel-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libitm-static-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libmudflap-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libmudflap-devel-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libmudflap-static-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libobjc-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libstdc++-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libstdc++-devel-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libstdc++-docs-4.8.5-36.el7.ns7.01.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/libstdc++-static-4.8.5-36.el7.ns7.01.aarch64.rpm gcc（x86_64）軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/cpp-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/cpp-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/gcc-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/gcc-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/gcc-c++-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/gcc-c++-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/gcc-gfortran-4.8.5-36.el7.ns7.01.i686.rpm 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https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgo-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgo-devel-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgo-devel-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgo-static-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgo-static-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgomp-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libgomp-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libitm-4.8.5-36.el7.ns7.01.i686.rpm 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https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libmudflap-devel-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libmudflap-static-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libmudflap-static-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libobjc-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libobjc-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-devel-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-devel-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-static-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libquadmath-static-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-devel-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-devel-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-docs-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-docs-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-static-4.8.5-36.el7.ns7.01.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libstdc++-static-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libtsan-4.8.5-36.el7.ns7.01.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/libtsan-static-4.8.5-36.el7.ns7.01.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