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Category:   OS (UNIX)  >   NetBSD Vendors:   NetBSD
NetBSD Pre-Commit Failure Processing Flaw May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1022912
SecurityTracker URL:  http://securitytracker.com/id/1022912
CVE Reference:   CVE-2009-2793   (Links to External Site)
Date:  Sep 18 2009
Impact:   Root access via local system, User access via local system
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in NetBSD. A local user may be able to obtain elevated privileges on the target system.

A local user can trigger an iret instruction failure to potentially cause the kernel stack to become desynchronized. This may allow the local user to gain elevated privileges.

The original advisory is available at:

http://www.cr0.org/misc/CVE-2009-2793.txt

Tavis Ormandy and Julien Tinnes of the Google Security Team reported this vulnerability.

Impact:   A local user may be able to obtain elevated privileges on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.NetBSD.org/Security/ (Links to External Site)
Cause:   Access control error, State error

Message History:   None.


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