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

SECUNIA ADVISORY ID:
SA47472

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47472/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47472

RELEASE DATE:
2012-01-10

DISCUSS ADVISORY:
http://secunia.com/advisories/47472/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/47472/

ONLY AVAILABLE IN CUSTOMER AREA:
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https://ca.secunia.com/?page=viewadvisory&vuln_id=47472

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
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http://secunia.com/vulnerability_scanning/personal/
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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
"igmp_heard_query()" function (net/ipv4/igmp.c) and can be exploited
to cause a kernel crash via specially crafted IGMP queries.

SOLUTION:
Fixed in the GIT repository.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
Simon McVittie

ORIGINAL ADVISORY:
Debian bug #654876:
http://bugs.debian.org/654876

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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