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TITLE:
Linux Kernel "ip_expire()" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA44625

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44625/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44625

RELEASE DATE:
2011-05-19

DISCUSS ADVISORY:
http://secunia.com/advisories/44625/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/44625/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=44625

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DESCRIPTION:
A vulnerability has been reported in the Linux Kernel, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the "ip_expire()"
function in net/ipv4/ip_fragment.c, which can be exploited to cause a
crash by e.g. sending fragmented packets to the system.

SOLUTION:
Update to version 2.6.39.

PROVIDED AND/OR DISCOVERED BY:
Aristide Fattori and Roberto Paleari

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2011-05/0123.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=64f3b9e203bd06855072e295557dca1485a2ecba

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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