CVE:CVE-2005-0708
CNNVD:CNNVD-200505-173
FreeBSD kernel中存在本地信息泄漏。如果在传输开始后结束前对传输的文件进行了截尾操作，则sendfile(2)就会在缺失的文件部分传输一些随机的Kernel内存内容。
solution:Upgrade dragonflybsd dragonflybsd to a higher version than 1.0,1.1,and avoid the version 1.0,1.1; Upgrade freebsd freebsd to a higher version than 4.0,4.0:alpha,4.0:releng,4.1,4.1.1,4.1.1:release,4.1.1:stable,4.2,4.2:stable,4.3,4.3:release,4.3:release_p38,4.3:releng,4.3:stable,4.4,4.4:release_p42,4.4:releng,4.4:stable,4.5,4.5:release,4.5:release_p32,4.5:releng,4.5:stable,4.6,4.6:release,4.6:release_p20,4.6:releng,4.6:stable,4.6.2,4.7,4.7:release,4.7:release_p17,4.7:releng,4.7:stable,4.8,4.8:pre-release,4.8:release_p6,4.8:releng,4.9,4.9:pre-release,4.9:releng,4.10,4.10:release,4.10:releng,4.11:stable,5.0,5.0:alpha,5.0:release_p14,5.0:releng,5.1,5.1:alpha,5.1:release,5.1:release_p5,5.1:releng,5.2,5.2.1:release,5.2.1:releng,5.3,5.3:release,5.3:stable,5.4:pre-release,and avoid the version 4.0,4.0:alpha,4.0:releng,4.1,4.1.1,4.1.1:release,4.1.1:stable,4.2,4.2:stable,4.3,4.3:release,4.3:release_p38,4.3:releng,4.3:stable,4.4,4.4:release_p42,4.4:releng,4.4:stable,4.5,4.5:release,4.5:release_p32,4.5:releng,4.5:stable,4.6,4.6:release,4.6:release_p20,4.6:releng,4.6:stable,4.6.2,4.7,4.7:release,4.7:release_p17,4.7:releng,4.7:stable,4.8,4.8:pre-release,4.8:release_p6,4.8:releng,4.9,4.9:pre-release,4.9:releng,4.10,4.10:release,4.10:releng,4.11:stable,5.0,5.0:alpha,5.0:release_p14,5.0:releng,5.1,5.1:alpha,5.1:release,5.1:release_p5,5.1:releng,5.2,5.2.1:release,5.2.1:releng,5.3,5.3:release,5.3:stable,5.4:pre-release