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
https://github.com/torvalds/linux/commit/c2349758acf1874e4c2b93fe41d072336f1a31d0
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8