SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Race Condition in Pipe Functions May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1023189
SecurityTracker URL:  http://securitytracker.com/id/1023189
CVE Reference:   CVE-2009-3547   (Links to External Site)
Date:  Nov 17 2009
Impact:   Denial of service via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.32-rc6
Description:   A vulnerability was reported in the Linux Kernel. A local user may be able to obtain elevated privileges on the target system. A local user can cause denial of service conditions.

A local user can trigger race conditions in pipe_read_open(), pipe_write_open(), and pipe_rdwr_open() in 'fs/pipe.c' to trigger a NULL pointer dereference and cause the target system to crash or potentially execute arbitrary code.

Earl Chew reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.

A local user can cause the target system to crash.

Solution:   The vendor has issued a fix (2.6.32-rc6).
Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 17 2009 (Red Hat Issues Fix) Linux Kernel Race Condition in Pipe Functions May Let Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 4.7 Extended Update Support.
Dec 15 2009 (Red Hat Issues Fix) Linux Kernel Race Condition in Pipe Functions May Let Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 5.2 Extended Update Support.



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2021, SecurityGlobal.net LLC