1.修復的CVE ·CVE-2018-3639 描述：在許多現代微處理器設計中，人們發現了一個全行業的問題，即許多現代微處理器設計實現了加載和存儲指令的推測性執行（一種常用的性能優化）。它依賴于特權代碼中是否存在精確定義的指令序列，以及從最近的內存寫入地址讀取的內存可能會看到一個舊值，并隨后導致微處理器數據緩存的更新，即使是對于推測性執行的指令，這些指令從未實際執行過提交（注銷）。因此，未經授權的攻擊者可以利用此漏洞通過執行有針對性的緩存側通道攻擊來讀取特權內存。 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: java-1.8.0-openjdk、java-1.8.0-openjdk-accessibility、java-1.8.0-openjdk-accessibility-debug、java-1.8.0-openjdk-debug、java-1.8.0-openjdk-demo、java-1.8.0-openjdk-demo-debug、java-1.8.0-openjdk-devel、java-1.8.0-openjdk-devel-debug、java-1.8.0-openjdk-headless、java-1.8.0-openjdk-headless-debug、java-1.8.0-openjdk-javadoc、java-1.8.0-openjdk-javadoc-debug、java-1.8.0-openjdk-javadoc-zip、java-1.8.0-openjdk-javadoc-zip-debug、java-1.8.0-openjdk-src、java-1.8.0-openjdk-src-debug ·x86_64架構: java-1.8.0-openjdk、java-1.8.0-openjdk-accessibility、java-1.8.0-openjdk-accessibility-debug、java-1.8.0-openjdk-debug、java-1.8.0-openjdk-demo、java-1.8.0-openjdk-demo-debug、java-1.8.0-openjdk-devel、java-1.8.0-openjdk-devel-debug、java-1.8.0-openjdk-headless、java-1.8.0-openjdk-headless-debug、java-1.8.0-openjdk-javadoc、java-1.8.0-openjdk-javadoc-debug、java-1.8.0-openjdk-javadoc-zip、java-1.8.0-openjdk-javadoc-zip-debug、java-1.8.0-openjdk-src、java-1.8.0-openjdk-src-debug 3.軟件包修復版本 ·中標麒麟高級服務器操作系統 V7 (aarch64、x86_64) java-1.8.0-openjdk-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-accessibility-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-accessibility-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-demo-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-demo-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-devel-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-devel-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-headless-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-javadoc-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-javadoc-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-javadoc-zip-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-javadoc-zip-debug-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-src-1.8.0.252.b09-2.el7或以上版本 java-1.8.0-openjdk-src-debug-1.8.0.252.b09-2.el7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： 中標麒麟高級服務器操作系統 V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/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-2018-3639:需要重啟 java-1.8.0-openjdk 以使漏洞修復生效。 5.軟件包下載地址 ·中標麒麟高級服務器操作系統 V7 java-1.8.0-openjdk(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/java-1.8.0-openjdk-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/java-1.8.0-openjdk-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/java-1.8.0-openjdk-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/aarch64/Packages/java-1.8.0-openjdk-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/aarch64/Packages/java-1.8.0-openjdk-accessibility-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/aarch64/Packages/java-1.8.0-openjdk-accessibility-1.8.0.252.b09-2.el7.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/aarch64/Packages/java-1.8.0-openjdk-accessibility-1.8.0.252.b09-2.el7.aarch64.rpm 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https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-devel-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-devel-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-devel-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-devel-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-devel-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-devel-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-devel-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-headless-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-headless-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-javadoc-1.8.0.252.b09-2.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-javadoc-1.8.0.252.b09-2.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-javadoc-1.8.0.252.b09-2.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-javadoc-1.8.0.252.b09-2.el7.noarch.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-javadoc-debug-1.8.0.252.b09-2.el7.noarch.rpm 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https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-src-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-src-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update6/os/adv/lic/updates/x86_64/Packages/java-1.8.0-openjdk-src-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update7/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-src-debug-1.8.0.252.b09-2.el7.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update8/os/adv/lic/base/x86_64/Packages/java-1.8.0-openjdk-src-debug-1.8.0.252.b09-2.el7.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