oss-security - CVE request Qemu: display: virtio-gpu-3d: memory leakage in virgl_resource_attach

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.20.1701202351250.18165@wniryva>
Date: Fri, 20 Jan 2017 23:52:42 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Li Qiang <liqiang6-s@....cn>
Subject: CVE request Qemu: display: virtio-gpu-3d: memory leakage in
 virgl_resource_attach_backing

   Hello,

Quick Emulator(Qemu) built with the Virtio GPU Device emulator support is 
vulnerable to a memory leakage issue. It could occur while processing 
'VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING' command.

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

Upstream patch:
---------------
   -> https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg00154.html

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1415281

This issue was reported by Mr Li Qiang of 360.cn Inc.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.