CVE:CVE-2014-9402
CNNVD:CNNVD-201412-350
GNU C Library（glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。
GNU C Library (aka glibc) 2.21之前版本存在资源管理错误漏洞。攻击者利用该漏洞通过在网络连接时发送肯定答案来导致系统拒绝服务（无限循环）。
solution:Upgrade gnu glibc to a higher version than 2.20,and avoid the version (,2.20]; Upgrade canonical ubuntu_linux to a higher version than 10.04,12.04,14.04,14.10,and avoid the version 10.04,12.04,14.04,14.10; Upgrade opensuse opensuse to a higher version than 13.1,13.2,and avoid the version 13.1,13.2