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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel tc_fill_tclass() Discloses Uninitialized Kernel Memory to Local Users
SecurityTracker Alert ID:  1022860
SecurityTracker URL:  http://securitytracker.com/id/1022860
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Sep 9 2009
Impact:   Disclosure of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6 prior to 2.6.31-rc9
Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain portions of kernel memory.

A local user can exploit a flaw in tc_fill_tclass() to obtain portions of uninitialized kernel memory.

Impact:   A local user can obtain portions of uninitialized kernel memory.
Solution:   The vendor has issued a fix (2.6.31-rc9).

The vendor's advisory is available at:

http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc9

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

Message History:   None.


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