CVE:CVE-2021-20257
CNNVD:CNNVD-202102-1670
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 中的e1000 存在安全漏洞，攻击者可利用该漏洞触发拒绝服务。
solution:Upgrade qemu qemu to a higher version than 6.2.0,and avoid the version (,6.2.0); Upgrade fedoraproject fedora to a higher version than 33,and avoid the version 33; 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 6.0,8.0,and avoid the version 6.0,8.0; Upgrade redhat enterprise_linux_for_ibm_z_systems to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_for_power_little_endian to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat codeready_linux_builder to a higher version than -; Upgrade debian debian_linux to a higher version than 10.0,and avoid the version 10.0