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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
SecurityTracker Alert ID:  1019959
SecurityTracker URL:  http://securitytracker.com/id/1019959
CVE Reference:   CVE-2008-1375   (Links to External Site)
Date:  May 2 2008
Impact:   Denial of service via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.25.1
Description:   A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions. A local user may be able to obtain elevated privileges on the target system.

A local user can exploit a race condition between a fcntl() and a close() function call to send arbitrary signals to arbitrary processes. This may allow the user to gain elevated privileges.

Alexander Viro reported this vulnerability.

Impact:   A local user can cause denial of service conditions on the target system.

A local user may be able to obtain elevated privileges on the target system.

Solution:   The vendor has issued a fix (2.6.25.1).

The vendor's advisory is available at:

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.1

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 7 2008 (Red Hat Issues Fix) Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
Red Hat has released a fix for Red Hat Enterprise Linux 3.
May 7 2008 (Red Hat Issues Fix) Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
Red Hat has released a fix for Red Hat Enterprise Linux 5.
May 7 2008 (Red Hat Issues Fix) Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Jul 29 2008 (VMware Issues Fix for ESX Server) Linux Kernel Directory Notification Subsytem Race Condition Lets Local Users Deny Service and Potentially Gain Elevated Privileges
VMware has issued a fix for VMware ESX Server 3.5.



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