NVIDIA Fixes Linux GPU Driver Security Hole
Written by Michael Larabel in NVIDIA on 4 August 2012 at 01:47 PM EDT. 17 Comments
Days after it was publicly revealed that a security vulnerability in the NVIDIA Linux driver easily yields root system access, NVIDIA has updated their proprietary graphics driver to address this problem.

This high-risk vulnerability not only affected the Linux x86/x86_64 driver but also Solaris and FreeBSD. NVIDIA released the 304.32 driver for their UNIX drivers to close up this issue plus they have also made a patch to fix this issue for those using older driver releases.

This security fix comes by blocking user-space access to the registers that control redirection of the VGA window. NVIDIA also took the additional step of blocking user-space access to registers controlling GPU-internal micro-controllers, which could face a similar issue.

More information on this issue plus the new driver download links is available from the NVIDIA customer help.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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