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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges
SecurityTracker Alert ID:  1024344
SecurityTracker URL:  http://securitytracker.com/id/1024344
CVE Reference:   CVE-2010-2240   (Links to External Site)
Date:  Aug 19 2010
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.x
Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain root privileges on the target system.

A local user can cause the X server (for example) to exhaust or fragment its memory space and then overwrite other memory mapped areas to execute arbitrary code on the target system with root privileges.

The original advisory is available at:

http://www.invisiblethingslab.com/resources/misc-2010/xorg-large-memory-attacks.pdf

Rafal Wojtczuk of Invisible Things Lab (ITL) reported this vulnerability.

Impact:   A local user can obtain root privileges on the target system.
Solution:   The vendor has issued a fix (2.6.32.19, 2.6.34.4, 2.6.35.2).

The source code fix is available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=320b2b8de12698082609ebbc1a17165727f4c893

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 30 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.3 Extended Update Support.
Aug 31 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Sep 2 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.4 Extended Update Support.
Sep 7 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Sep 7 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 4.7 Extended Update Support.
Oct 8 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise MRG 1.2 for Red Hat Enterprise Linux 5.
Nov 12 2010 (Red Hat Issues Fix) Linux Kernel Stack Memory Management Lets Local Users Gain Root Privileges   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 3 Extended Life Cycle Support (ELS).



 Source Message Contents

Date:  Thu, 19 Aug 2010 01:46:28 +0000
Subject:  Linux Kernel


CVE-2010-2240


 
 


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