CVE:CVE-2018-6764
CNNVD:CNNVD-201802-607
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。
Red Hat libvirt中的util/virlog.c文件存在安全漏洞，该漏洞源于程序没有正确的确定主机名。本地攻击者可借助特制的NSS模块利用该漏洞绕过容器保护机制并执行任意命令。
solution:Upgrade redhat libvirt to a higher version than -; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade redhat virtualization to a higher version than 4.0,and avoid the version 4.0; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,17.10,and avoid the version 14.04,16.04,17.10