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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel VIDIOCSMICROCODE Access Control Flaw Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1024710
SecurityTracker URL:  http://securitytracker.com/id/1024710
CVE Reference:   CVE-2010-2963   (Links to External Site)
Date:  Nov 9 2010
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.6
Description:   A vulnerability was reported in the Linux Kernel. A local user can obtain elevated privileges on the target system.

A local user can can exploit a flaw in the ioctl32 v4l1 compatibility code for VIDIOCSMICROCODE to write to arbitrary kernel memory locations and gain elevated privileges.

Kees Cook reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   The vendor has issued a source code fix, available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3e645d6b485446c54c6745c5e2cf5c528fe4deec

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.
Nov 9 2010 (Red Hat Issues Fix) Linux Kernel VIDIOCSMICROCODE Access Control Flaw Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Dec 8 2010 (Red Hat Issues Fix) Linux Kernel VIDIOCSMICROCODE Access Control Flaw Lets Local Users Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise MRG 1.3.



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