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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
Linux Kernel Fragmented IPv6 Packet Filtering Bypass

SECUNIA ADVISORY ID:
SA22731

VERIFY ADVISORY:
http://secunia.com/advisories/22731/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

DESCRIPTION:
Some vulnerabilities have been reported in the Linux Kernel, which
can be exploited by malicious people to bypass certain security
restrictions.

The vulnerabilities are caused due to the incorrect processing of
certain fragmented IPv6 packets. This can be exploited to bypass
filtering rules by sending specially crafted packets.

SOLUTION:
Fixed in the GIT repository.
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=51d8b1a65291a6956b79374b6adbbadc2263bcf6
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6d381634d213580d40d431e7664dfb45f641b884

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Marc Dowd, McAfee

ORIGINAL ADVISORY:
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=51d8b1a65291a6956b79374b6adbbadc2263bcf6
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6d381634d213580d40d431e7664dfb45f641b884

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About:
This Advisory was delivered by Secunia as a free service to help
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