The NFS Server for Solaris 7, 8, and 9 allows remote attackers to cause a denial of service (UFS panic) via certain invalid UFS requests, which triggers a null dereference.
https://exchange.xforce.ibmcloud.com/vulnerabilities/13547
http://www.securityfocus.com/bid/8929
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57406-1