The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.32.4, when network namespaces are enabled, allows remote attackers to cause a denial of service (NULL pointer dereference) via an invalid IPv6 jumbogram, a related issue to CVE-2007-4567.
https://bugzilla.redhat.com/show_bug.cgi?id=555217
http://www.securityfocus.com/bid/37810
http://www.openwall.com/lists/oss-security/2010/01/14/2
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.4
http://security-tracker.debian.org/tracker/CVE-2010-0006
http://secunia.com/advisories/38333
http://secunia.com/advisories/38168
http://marc.info/?l=linux-netdev&m=126343325807340&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-January/034250.html