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Secunia Security Advisory 44094

Posted on 13 April 2011
Source : packetstormsecurity.org Link

 

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Q1 Factsheets released:

http://secunia.com/resources/factsheets/2011_vendor/


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

SECUNIA ADVISORY ID:
SA44094

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/44094/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=44094

RELEASE DATE:
2011-04-13

DISCUSS ADVISORY:
http://secunia.com/advisories/44094/#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/44094/

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=44094

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, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error within the handling of
expanding "mremap()" calls, which can be exploited to cause a
"BUG_ON()".

SOLUTION:
Fixed in version 2.6.39-rc3.

PROVIDED AND/OR DISCOVERED BY:
Robert Swiecki

ORIGINAL ADVISORY:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=982134ba62618c2d69fbbbd166d0a11ee3b7e3d8

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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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
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Secunia NEVER sends attached files with advisories.
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