CVE:CVE-2020-14394
CNNVD:CNNVD-202208-3330
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的USB xHCI控制器存在安全漏洞，该漏洞源于存在无限循环缺陷。攻击者利用该漏洞在主机上挂起 QEMU 进程，从而导致拒绝服务。
solution:Upgrade qemu qemu to a higher version than 6.1.50,and avoid the version 6.1.50; Upgrade fedoraproject extra_packages_for_enterprise_linux to a higher version than 7.0,and avoid the version 7.0; Upgrade fedoraproject fedora to a higher version than 33,37,and avoid the version 33,37; Upgrade redhat openstack_platform to a higher version than 10.0,13.0,and avoid the version 10.0,13.0; Upgrade redhat enterprise_linux to a higher version than 5.0,6.0,7.0,8.0,9.0,and avoid the version 5.0,6.0,7.0,8.0,9.0