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Secunia Security Advisory 46803

Secunia Security Advisory 46803
Posted Nov 14, 2011
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 | fa05402ec40c95b0f2f17b3b9f6daa080d5ef01569dd5e4bf9e614780bd1bfc7

Secunia Security Advisory 46803

Change Mirror Download
----------------------------------------------------------------------

SC World Congress, New York, USA, 16 November 2011
Visit the Secunia booth (#203) and discover how you can improve your handling of third party programs:

http://secunia.com/resources/events/sc_2011/

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

TITLE:
Linux Kernel NFSv4 Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA46803

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46803/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46803

RELEASE DATE:
2011-11-14

DISCUSS ADVISORY:
http://secunia.com/advisories/46803/#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/46803/

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=46803

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 when handling certain
NFSv4 responses to ACL attribute requests, which can be exploited to
e.g. cause a crash by connecting to a malicious NFSv4 server.

SOLUTION:
Use trusted NFSv4 servers only.

PROVIDED AND/OR DISCOVERED BY:
Andy Adamson

ORIGINAL ADVISORY:
http://www.spinics.net/lists/linux-nfs/msg25288.html

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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