CVE:CVE-2021-3930
CNNVD:CNNVD-202111-562
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 存在安全漏洞，该漏洞可能允许攻击者进行拒绝服务攻击。
solution:Upgrade qemu qemu to a higher version than 6.2.0,and avoid the version (,6.2.0); Upgrade redhat codeready_linux_builder to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat codeready_linux_builder_for_ibm_z_systems to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat codeready_linux_builder_for_power_little_endian to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat openstack to a higher version than 10,13,and avoid the version 10,13; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_advanced_virtualization_eus to a higher version than 8.4,and avoid the version 8.4; 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 debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0