drivers/scsi/bfa/bfa_core.c in the Linux kernel before 2.6.35 does not initialize a certain port data structure, which allows local users to cause a denial of service (system crash) via read operations on an fc_host statistics file.
https://bugzilla.redhat.com/show_bug.cgi?id=661182
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.spinics.net/lists/linux-scsi/msg43772.html
http://www.securityfocus.com/bid/45262
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.openwall.com/lists/oss-security/2010/12/09/15