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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Core Dump Handling May Let Local Users Deny Service or Gain Elevated Privileges
SecurityTracker Alert ID:  1016451
SecurityTracker URL:  http://securitytracker.com/id/1016451
CVE Reference:   CVE-2006-2451   (Links to External Site)
Date:  Jul 7 2006
Impact:   Denial of service via local system, Modification of system information, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6.x
Description:   A vulnerability was reported in Linux Kernel. A local user can obtain elevated privileges on the target system. A local user can cause denial of service conditions.

A local user can cause the kernel to dump a core file into a directory that does not have permissions to write to. As a result, the local user can consume excessive disk space or potentially gain root privileges on the target system.

Red Hat discovered this vulnerability.

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

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

Solution:   A patch for kernel version 2.6.17 is available at:

http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.17.y.git;a=commit;h=0af184bb9f80edfbb94de46cb52e9592e5a547b0

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

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jul 7 2006 (Red Hat Issues Fix) Linux Kernel Core Dump Handling May Let Local Users Deny Service or Gain Elevated Privileges
Red Hat has released a fix for Red Hat Enterprise Linux 4.



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