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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel NFS Memory Initialization Bug Lets Local Users Deny Service
SecurityTracker Alert ID:  1022176
SecurityTracker URL:  http://securitytracker.com/id/1022176
CVE Reference:   CVE-2009-1336   (Links to External Site)
Date:  May 7 2009
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.6.23
Description:   A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions.

A local user can create a specially crafted filename to trigger an initialization error in the nfs_server struct and cause the target system to crash.

The vulnerability resides in 'fs/nfs/client.c'.

Impact:   A local user can cause the target system to crash.
Solution:   The vendor has issued a fix (2.6.23).

The vendor's advisory is available at:

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23

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 2009 (Red Hat Issues Fix) Linux Kernel NFS Memory Initialization Bug Lets Local Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 5.
May 18 2009 (Red Hat Issues Fix) Linux Kernel NFS Memory Initialization Bug Lets Local Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux version 4.
Jun 2 2009 (Red Hat Issues Fix) Linux Kernel NFS Memory Initialization Bug Lets Local Users Deny Service
Red Hat has released a fix for Red Hat Enterprise Linux 4.7 Extended Update Support.



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