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Secunia Advisory SA21041

Linux Kernel "/proc" Race Condition Privilege Escalation
Secunia Advisory SA21041
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Release Date 2006-07-17
   
Popularity 17,213 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Privilege escalation
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Operating System
Linux Kernel 2.6.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2006-3626 CVSS available in Customer Area
  

Description

A vulnerability has been reported in the Linux kernel, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to a race condition in "/proc" when changing file status.

Successful exploitation allows execution of arbitrary code with root privileges.

The vulnerability has been reported in versions prior to 2.6.17.5.


Solution
Update to version 2.6.17.5 or later.
Further details available in Customer Area

Provided and/or discovered by
h00lyshit

Original Advisory
Kernel.org:
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.5

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Linux Kernel "/proc" Race Condition Privilege Escalation
 
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