Linux VServer Project CHRoot Breakout Vulnerability
The vendor has released an upgrade dealing with this issue.
Debian GNU/Linux has discovered that their original patches to address this issue were incomplete. Debian has released an advisory and fixes to properly address this issue in the util-vserver package and in the Linux kernel version 2.4 vserver patch. Please see the referenced advisory and Debian bug references for more information.
VServer Linux-VServer 1.20
VServer Linux-VServer 1.21
VServer Linux-VServer 1.22
VServer Linux-VServer 1.23
VServer Linux-VServer 1.24