Unknown vulnerability in UFS for Solaris 9 for SPARC, with logging enabled, allows local users to cause a denial of service (UFS file system hang).
https://exchange.xforce.ibmcloud.com/vulnerabilities/11481
http://www.securitytracker.com/id?1006233
http://www.securityfocus.com/bid/7032
http://sunsolve.sun.com/search/document.do?assetkey=1-26-51300-1