CVE-2010-4249 Information

Description

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.

Reference

http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commit;h=9915672d41273f5b77f1b3c29b391ffb7732b84b 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 http://www.vupen.com/english/advisories/2011/0168 https://bugzilla.redhat.com/show_bug.cgi?id=656756