Gentoo Linux Security Advisory GLSA 200512-15 – Max Vozeler discovered that the rssh_chroot_helper command allows local users to chroot into arbitrary directories. Versions less than 2.3.0 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42623/glsa-200512-15.txt
Source: https://packetstormsecurity.com/files/42623/Gentoo-Linux-Security-Advisory-200512-15.html