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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel copy_user() IA32 Emulation Bug Discloses Information to Local Users
SecurityTracker Alert ID:  1020367
SecurityTracker URL:  http://securitytracker.com/id/1020367
CVE Reference:   CVE-2008-0598   (Links to External Site)
Date:  Jun 26 2008
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6
Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain potentially sensitive information.

The copy_user() function on linux x86_64 systems when in ia32 emulation does not properly initialize memory. A local user can exploit this to obtain potentially sensitive data from uninitialized memory.

Tavis Ormandy reported this vulnerability.

Impact:   A local user can obtain potentially sensitive information.
Solution:   The vendor has issued a fix.
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.
Jun 26 2008 (Red Hat Issues Fix) Linux Kernel copy_user() IA32 Emulation Bug Discloses Information to Local Users
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Dec 17 2008 (Red Hat Issues Fix) Linux Kernel copy_user() IA32 Emulation Bug Discloses Information to Local Users
Red Hat has released a fix for Red Hat Enterprise Linux 3.
Jan 22 2009 (Red Hat Issues Fix) Linux Kernel copy_user() IA32 Emulation Bug Discloses Information to Local Users
Red Hat has released a fix for Red Hat Enterprise MRG 1.0.



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