The wait_for_unix_gc function in net/unix/garbage.c in the Linux kernel before 2.6.37-rc3-next-20101125 does not properly select times for garbage collection of inflight sockets, which allows local users to cause a denial of service (system hang) via crafted use of the socketpair and sendmsg system calls for SOCK_SEQPACKET sockets.
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
http://lkml.org/lkml/2010/11/23/395
http://lkml.org/lkml/2010/11/23/450
http://lkml.org/lkml/2010/11/25/8
http://marc.info/?l=linux-netdev&m=129059035929046&w=2
http://secunia.com/advisories/42354
http://secunia.com/advisories/42745
http://secunia.com/advisories/42890
http://secunia.com/advisories/42963
http://secunia.com/advisories/46397
http://www.exploit-db.com/exploits/15622/
http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.37-rc3-next-20101125.bz2
http://www.openwall.com/lists/oss-security/2010/11/24/10
http://www.openwall.com/lists/oss-security/2010/11/24/2
http://www.redhat.com/support/errata/RHSA-2011-0007.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.securityfocus.com/bid/45037
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.vupen.com/english/advisories/2010/3321