CVE:CVE-2020-10761
CNNVD:CNNVD-202006-615
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件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 5.0.1之前版本中的Network Block Device (NBD) Server存在安全漏洞。远程攻击者可借助特制请求利用该漏洞导致qemu-nbd服务器崩溃（拒绝服务）。
solution:Upgrade qemu qemu to a higher version than 5.0.1,and avoid the version (,5.0.1); Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade opensuse leap to a higher version than 15.2,and avoid the version 15.2; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,20.04,and avoid the version 16.04,18.04,20.04