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Re: CVE request virglrenderer: host memory leak issue in virgl_resource_attach_backing


From: <cve-assign () mitre org>
Date: Wed, 8 Feb 2017 23:58:39 -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 memory leakage issue. It could occur when
a guest invokes a 'VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING' command.

A guest user/process could use this flaw to leak host memory leading to DoS.

https://cgit.freedesktop.org/virglrenderer/commit/?id=40b0e7813325b08077b6f541b3989edb2d86d837
https://bugzilla.redhat.com/show_bug.cgi?id=1420266

Use CVE-2016-10214.

This is not exactly the same as CVE-2017-5578 (from the
http://www.openwall.com/lists/oss-security/2017/01/25/2 post).

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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