CVE:CVE-2014-3640
CNNVD:CNNVD-201410-1261
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。
QEMU 2.1.2之前版本存在代码问题漏洞。本地攻击者利用该漏洞导致系统拒绝服务。
solution:Upgrade debian debian_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade qemu qemu to a higher version than 2.0.0,2.0.0:rc0,2.0.0:rc1,2.0.0:rc2,2.0.0:rc3,2.0.2,2.1.0,2.1.0:rc0,2.1.0:rc1,2.1.0:rc2,2.1.0:rc3,2.1.0:rc5,2.1.1,and avoid the version 2.0.0,2.0.0:rc0,2.0.0:rc1,2.0.0:rc2,2.0.0:rc3,2.0.2,2.1.0,2.1.0:rc0,2.1.0:rc1,2.1.0:rc2,2.1.0:rc3,2.1.0:rc5,2.1.1; 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; 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