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Re: CVE request virglrenderer: null pointer dereference in vrend_clear


From: <cve-assign () mitre org>
Date: Wed, 8 Feb 2017 23:58:06 -0500

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Virgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support
for the virtio GPU, is vulnerable to a null pointer dereference issue. It
could occur when a guest invokes a virgl 'VIRGL_CCMD_CLEAR' command.

A guest user/process could use this flaw to crash Qemu process resulting in
DoS.

https://cgit.freedesktop.org/virglrenderer/commit/?id=48f67f60967f963b698ec8df57ec6912a43d6282
https://bugzilla.redhat.com/show_bug.cgi?id=1420246

Use CVE-2017-5937.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
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  http://cve.mitre.org/cve/request_id.html ]
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