Gentoo: 2012: GLSA-201206-19 High: NVIDIA Driver Privilege Escalation
gentoo
June 23, 2012
A vulnerability in NVIDIA drivers may allow a local attacker to gain escalated privileges.
Summary
A vulnerability has been found in the way NVIDIA drivers handle
read/write access to GPU device nodes, allowing access to arbitrary
system memory locations.
NOTE: Exposure to this vulnerability is reduced in Gentoo due to 660
permissions being used on the GPU device nodes by default.
Resolution
All NVIDIA driver users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=x11-drivers/nvidia-drivers-295.40"
References
[ 1 ] CVE-2012-0946 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0946
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201206-19
style>.gentoo_availability{display:block;}
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
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Severity: High
Title: NVIDIA Drivers: Privilege escalation
Date: June 23, 2012
Bugs: #411617
ID: 201206-19
Background
The NVIDIA drivers provide X11 and GLX support for NVIDIA graphic
boards.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 x11-drivers/nvidia-drivers < 295.40 >= 295.40
Impact
=====
A local attacker could gain escalated privileges.
Workaround
There is no known workaround at this time.
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