The NFSv4 Server module in the kernel in Sun Solaris 10, and OpenSolaris before snv_111, allow local users to cause a denial of service (infinite loop and system hang) by accessing an hsfs filesystem that is shared through NFSv4, related to the rfs4_op_readdir function.
https://exchange.xforce.ibmcloud.com/vulnerabilities/49133
http://www.vupen.com/english/advisories/2009/0765
http://www.vupen.com/english/advisories/2009/0635
http://www.securityfocus.com/bid/34031
http://support.avaya.com/elmodocs2/security/ASA-2009-090.htm
http://sunsolve.sun.com/search/document.do?assetkey=1-66-252469-1
http://sunsolve.sun.com/search/document.do?assetkey=1-21-139462-02-1
http://securitytracker.com/id?1021819