systeminfo.c for Sun Solaris allows local users to read kernel memory via a 0 variable count argument to the sysinfo system call, which causes a -1 argument to be used by the copyout function. NOTE: this issue has been referred to as an integer overflow, but it is probably more like a signedness error or integer underflow.
secunia.com/advisories/21148
securitytracker.com/id?1016555
sunsolve.sun.com/search/document.do?assetkey=1-26-102343-1
www.idefense.com/intelligence/vulnerabilities/display.php?id=410
www.securityfocus.com/archive/1/440849/100/100/threaded
www.securityfocus.com/archive/1/440986/100/100/threaded
www.securityfocus.com/bid/19104
www.vupen.com/english/advisories/2006/2936
exchange.xforce.ibmcloud.com/vulnerabilities/27901