The rds_ib_laddr_check function in net/rds/ib.c in the Linux kernel before 3.12.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a bind system call for an RDS socket on a system that lacks RDS transports.
https://bugzilla.redhat.com/show_bug.cgi?id=1079214
http://www.securityfocus.com/bid/66351
http://www.openwall.com/lists/oss-security/2014/03/20/14
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8