The chroot helper in rMake for rPath Linux 1 does not drop supplemental groups, which causes packages to be installed with insecure permissions and might allow local users to gain privileges.
https://issues.rpath.com/browse/RPL-987
https://exchange.xforce.ibmcloud.com/vulnerabilities/31942
http://secunia.com/advisories/23922
http://lists.rpath.com/pipermail/security-announce/2007-January/000137.html