Remote DoS with netfilter ipt_recent module. Privilege escalation with sendmsg() for amd64 platform. Reading kernel memory and IO ports with raw_sendmsg(). Memory leaks with procfs for SCSI drivers. USB DoS.
vulners.com/securityvulns/securityvulns:doc:9691
vulners.com/securityvulns/securityvulns:doc:9820