CVE:CVE-2009-2657
CNNVD:CNNVD-200908-027
nilfs-utils 2.0.14之前的版本安装多个带有没必要的setuid特权的程序，这使得本地用户可以借助到mkfs.nilfs2的-c指令线程选项中的设备字符串，执行任意指令。
solution:Upgrade nilf nilfs to a higher version than 2.0.13,1.0.0,1.0.1,1.0.2,1.0.3,1.0.4,1.0.5,1.0.6,1.0.7,1.0.8,1.0.9,1.0.10,1.0.11,1.0.12,1.0.13,1.0.14,1.0.15,1.0.16,1.0.17,1.0.18,2.0.0,2.0.1,2.0.2,2.0.4,2.0.5,2.0.6,2.0.7,2.0.9,2.0.10,2.0.12,and avoid the version (,2.0.13],1.0.0,1.0.1,1.0.2,1.0.3,1.0.4,1.0.5,1.0.6,1.0.7,1.0.8,1.0.9,1.0.10,1.0.11,1.0.12,1.0.13,1.0.14,1.0.15,1.0.16,1.0.17,1.0.18,2.0.0,2.0.1,2.0.2,2.0.4,2.0.5,2.0.6,2.0.7,2.0.9,2.0.10,2.0.12