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Linux Kernel Page Fault Handler Privilege Escalation
Secunia Advisory: SA13822
Release Date: 2005-01-13
Last Update: 2005-06-14
Popularity: 14,560 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Partial Fix

OS:Linux Kernel 2.4.x
Linux Kernel 2.6.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Paul Starzetz has reported a vulnerability 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 the page fault handler when two threads, which share the same virtual memory space, request a stack expansion simultaneously.

Successful exploitation may allow execution of arbitrary code with root privileges on multi-processor systems.

The vulnerability has been reported in versions 2.4 through 2.4.29-rc1 and 2.6 through 2.6.10.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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