Sun xVM VirtualBox 2.0.0, 2.0.2, 2.0.4, 2.0.6r39760, 2.1.0, 2.1.2, and 2.1.4r42893 on Linux allows local users to gain privileges via a hardlink attack, which preserves setuid/setgid bits on Linux, related to DT_RPATH:$ORIGIN.
osvdb.org/52580
secunia.com/advisories/34232
sunsolve.sun.com/search/document.do?assetkey=1-66-254568-1
www.openwall.com/lists/oss-security/2009/03/15/1
www.openwall.com/lists/oss-security/2009/03/17/2
www.securityfocus.com/bid/34080
www.securitytracker.com/id?1021841
www.virtualbox.org/ticket/3444
www.vupen.com/english/advisories/2009/0674
bugs.gentoo.org/show_bug.cgi?id=260331
exchange.xforce.ibmcloud.com/vulnerabilities/49193