The Linux kernel 2.6.20 through 18.104.22.168 allows remote attackers to cause a denial of service (panic) via a certain IPv6 packet, possibly involving the Jumbo Payload hop-by-hop option (jumbogram).
Official Statement from Red Hat (01/21/2008)
Not vulnerable. These issues did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
References to Advisories, Solutions, and Tools
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