CVE:CVE-2007-4304
CNNVD:CNNVD-200708-204
FreeBSD 4.8版本的CerbNG没有适当地执行VM保护，当企图阻止系统调用包装竞争,这会允许本地用户产生于一个"错误页写入保护"相关的未知影响。
solution:Upgrade cerb cerbng to a higher version than 0.1,0.2,0.3,0.4,and avoid the version 0.1,0.2,0.3,0.4