CVE:CVE-2020-13659
CNNVD:CNNVD-202006-147
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 4.2.0版本中的exec.c文件的address_space_map存在代码问题漏洞。本地攻击者可利用该漏洞导致QEMU进程崩溃（拒绝服务）。
solution:Upgrade qemu qemu to a higher version than 4.2.0,and avoid the version 4.2.0; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; 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