Buffer overflow in the niu_get_ethtool_tcam_all function in drivers/net/niu.c in the Linux kernel before 2.6.36-rc4 allows local users to cause a denial of service or possibly have unspecified other impact via the ETHTOOL_GRXCLSRLALL ethtool command.
https://bugzilla.redhat.com/show_bug.cgi?id=632069
http://www.vupen.com/english/advisories/2011/0298
http://www.ubuntu.com/usn/USN-1000-1
http://www.spinics.net/lists/netdev/msg140133.html
http://www.securityfocus.com/bid/43098
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.openwall.com/lists/oss-security/2010/09/11/1
http://www.openwall.com/lists/oss-security/2010/09/09/1
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc4
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html