Untrusted search path vulnerability in the mkvg command in IBM AIX 5.2 and 5.3 allows local users to gain privileges by modifying the path to point to a malicious (1) chdev, (2) mkboot, (3) varyonvg, or (4) varyoffvg program.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29165
http://www.vupen.com/english/advisories/2006/3770
http://www.vupen.com/english/advisories/2006/3389
http://www.securityfocus.com/bid/20197
http://www.securityfocus.com/bid/19708
http://www-1.ibm.com/support/docview.wss?uid=isg1IY88737
http://www-1.ibm.com/support/docview.wss?uid=isg1IY88722
http://www-1.ibm.com/support/docview.wss?uid=isg1IY88699
http://securitytracker.com/id?1016920