CVE:CVE-2013-0208
CNNVD:CNNVD-201301-577
OpenStack Compute（Nova）是用Python编写的云计算构造控制器，属于laaS系统的一部分。
OpenStack Compute (Nova) Folsom and Essex中的从卷中引导功能存在漏洞。在使用nova卷的情况下，通过block_device_mapping参数中的卷ID，远程认证攻击者可利用该漏洞从其他用户的卷中引导。
solution:Upgrade openstack essex to a higher version than -; Upgrade openstack folsom to a higher version than -; Upgrade canonical ubuntu_linux to a higher version than 11.10,12.04,12.10,and avoid the version 11.10,12.04,12.10