CVE:CVE-2014-7300
CNNVD:CNNVD-201410-1321
GNOME Shell（也称gnome-shell）是GNOME项目的一个GNOME桌面环境3.0及其后续版本中所使用的核心用户界面，它提供窗口切换、载入应用程序等基本功能。
GNOME Shell 3.14.0版本中存在安全漏洞，该漏洞源于程序使用Screen Lock功能时，没有限制有效的PrtSc请求的总内存消耗。攻击者可借助大量的PrtSc请求和临时锁中断利用该漏洞执行任意命令。
solution:Upgrade gnome gnome-shell to a higher version than 3.14.0,and avoid the version 3.14.0; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_hpc_node to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0