1. 修复的CVE CVE-2022-21716 Twisted是一款使用Python语言编写的事件驱动的开源网络引擎。Twisted v22.2.0之前版本存在安全漏洞，攻击者可利用该漏洞导致一个缓冲区使用所有可用的内存。 2. 受影响的操作系统及软件包 ·银河麒麟桌面操作系统V10 x86_64 架构： python-twisted-bin、python-twisted-conch、python-twisted-core、python-twisted-mail、python-twisted-names、python-twisted-news、python-twisted-runner、python-twisted-web、python-twisted-words、python-twisted、python3-twisted arm64 架构： python-twisted-bin、python-twisted-conch、python-twisted-core、python-twisted-mail、python-twisted-names、python-twisted-news、python-twisted-runner、python-twisted-web、python-twisted-words、python-twisted、python3-twisted mips64el 架构： python-twisted-bin、python-twisted-conch、python-twisted-core、python-twisted-mail、python-twisted-names、python-twisted-news、python-twisted-runner、python-twisted-web、python-twisted-words、python-twisted、python3-twisted 3. 软件包修复版本 ·银河麒麟桌面操作系统V10 16.0.0-1kord0.4+esm1 4. 修复方法 方法一：升级安装 执行更新命令进行升级 $sudo apt update $sudo apt install python3-twisted $sudo apt install python-twisted 方法二：下载软件包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包列表升级相关的组件包。 $sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指软件包下载到本地的路径，Package指下载的软件包名称，多个软件包则以空格分开。 5. 软件包下载地址 银河麒麟桌面操作系统V10 x86_64软件包下载地址 http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-bin_16.0.0-1kord0.4%2Besm1_amd64.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-conch_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-core_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-mail_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-names_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-news_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-runner_16.0.0-1kord0.4%2Besm1_amd64.deb 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http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-conch_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-core_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-mail_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-names_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-news_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-runner_16.0.0-1kord0.4%2Besm1_mips64el.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-web_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted-words_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python-twisted_16.0.0-1kord0.4%2Besm1_all.deb http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/t/twisted/python3-twisted_16.0.0-1kord0.4%2Besm1_all.deb 6. 修复验证 使用软件包查询命令，查看相关的软件包版本大于或等于修复版本则成功修复。 $sudo dpkg -l |grep Package 注：Package为软件包包名。