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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel AMD64 Memory Copy Bug Lets Local Users View Memory Contents
SecurityTracker Alert ID:  1020364
SecurityTracker URL:  http://securitytracker.com/id/1020364
CVE Reference:   CVE-2008-2729   (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): prior to 2.6.19
Description:   A vulnerability was reported in the Linux Kernel. A local user can view potentially sensitive memory contents.

The __copy_from_user_inatomic() function on certain AMD64-based systems does not properly initialize the destination memory location when copying kernel memory. A local user can exploit this to view potentially sensitive information.

Impact:   A local user can view potentially sensitive memory contents.
Solution:   The vendor has issued a fix, available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3022d734a54cbd2b65eea9a024564821101b4a9a;hp=f0f4c3432e5e1087b3a8c0e6bd4113d3c37497ff

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 AMD64 Memory Copy Bug Lets Local Users View Memory Contents
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Jun 26 2008 (Red Hat Issues Fix) Linux Kernel AMD64 Memory Copy Bug Lets Local Users View Memory Contents
Red Hat has released a fix for Red Hat Enterprise Linux 4.
Aug 27 2008 (Red Hat Issues Fix) Linux Kernel AMD64 Memory Copy Bug Lets Local Users View Memory Contents
Red Hat has released a fix for Red Hat Enterprise Linux 5.



 Source Message Contents



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