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Category:   OS (UNIX)  >   OpenBSD Kernel Vendors:   OpenBSD
OpenBSD uvideo(4) IOCTL Handling Flaw Lets Local Users View Portions of System Memory on the Target System
SecurityTracker Alert ID:  1035925
SecurityTracker URL:  http://securitytracker.com/id/1035925
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 19 2016
Impact:   Disclosure of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.8, 5.9
Description:   A vulnerability was reported in OpenBSD. A local user can obtain potentially sensitive information from system memory.

A local user can exploit a uvideo(4) V4L2 IOCTL handling flaw to obtain potentially sensitive information from system memory on the target system.

Impact:   A local user can obtain potentially sensitive information from system memory on the target system.
Solution:   The vendor has issued a fix, available at:

http://ftp.openbsd.org/pub/OpenBSD/patches/5.8/common/014_uvideo.patch.sig
http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/007_uvideo.patch.sig

Vendor URL:  www.openbsd.org/errata59.html (Links to External Site)
Cause:   Access control error

Message History:   None.


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