On Sep 26 2007 01:11, David Newall wrote: > Jan Engelhardt wrote: >> On Sep 26 2007 00:40, David Newall wrote: >> >> > Miloslav Semler pointed out that a root process can chdir("..") out of its >> > chroot. >> So what? Just do this: chdir into the root after chroot. > > I don't think so. His exploit just got me all the way out of a chroot within > a > chroot within a chroot, inclusive of lots of chdirs.
Close all fds that point to directories outside the root ;-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/