CVE:CVE-2015-7512
CNNVD:CNNVD-201511-436
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存在缓冲区错误漏洞。当虚拟机的NIC使用较大的MTU限制时，远程攻击者可通过发送较大的数据包利用该漏洞造成拒绝服务。
solution:Upgrade qemu qemu to a higher version than 2.4.1,2.5.0:rc0,2.5.0:rc1,2.5.0:rc2,and avoid the version (,2.4.1],2.5.0:rc0,2.5.0:rc1,2.5.0:rc2; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_eus to a higher version than 6.7,and avoid the version 6.7; Upgrade redhat enterprise_linux_server to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat openstack to a higher version than 5.0,and avoid the version 5.0; Upgrade redhat virtualization to a higher version than 3.0,and avoid the version 3.0; Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade oracle linux to a higher version than 6,and avoid the version 6