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Secunia Security Advisory 47472

Secunia Security Advisory 47472
Posted Jan 10, 2012
Authored by Secunia | Site secunia.com

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

tags | advisory, denial of service, kernel
systems | linux
SHA-256 | e9d8e0215356abdf73385c32aa3ee78b2ab20896254e97466e2b60d3269cfc00

Secunia Security Advisory 47472

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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:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=47472

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

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/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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