Gmane
From: majkls <majkls <at> prepere.com>
Subject: sys_chroot+sys_fchdir Fix
Newsgroups: gmane.linux.kernel
Date: 2007-09-19 07:19:50 GMT (1 year, 41 weeks, 2 days, 5 hours and 35 minutes ago)
Hello,
here is an fix to an exploit (obtained somewhere in internet). This 
exploit can workaround chroot with CAP_SYS_CHROOT. It is also possible 
(with sufficient filedescriptor (if there is na directory fd opened in 
root) workaround chroot with sys_fchdir. This patch fixes it.

Miloslav Semler
Attachment (chroot.c): text/x-csrc, 4107 bytes