The sockfs module in the kernel in Sun Solaris 10 and OpenSolaris snv_41 through snv_122, when Network Cache Accelerator (NCA) logging is enabled, allows remote attackers to cause a denial of service (panic) via unspecified web-server traffic that triggers a NULL pointer dereference in the nl7c_http_log function, related to "improper http response handling."
http://sunsolve.sun.com/search/document.do?assetkey=1-66-265888-1
http://sunsolve.sun.com/search/document.do?assetkey=1-21-141690-02-1