CVE:CVE-1999-0304
CNNVD:CNNVD-199802-004
BSD中的mmap函数存在安全漏洞。Kmem群组中的本地攻击者可以通过设备修改内存。
solution:Upgrade bsdi bsd_os to a higher version than 3.0,and avoid the version 3.0; Upgrade freebsd freebsd to a higher version than 2.2,and avoid the version 2.2; Upgrade netbsd netbsd to a higher version than 2.0.4,and avoid the version 2.0.4; Upgrade openbsd openbsd to a higher version than 2.2,and avoid the version 2.2