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List:       oss-security
Subject:    [oss-security] CVE-2016-4454 Qemu: display: vmsvga: out-of-bounds read in vmsvga_fifo_read_raw() rou
From:       P J P <ppandit () redhat ! com>
Date:       2016-05-30 8:55:12
Message-ID: alpine.LFD.2.20.1605301422320.26205 () wniryva
[Download RAW message or body]

   Hello,

Quick Emulator(Qemu) built with the VMware-SVGA "chipset" emulation support is 
vulnerable to an information disclosure issue. It could occur while processing 
VGA commands via its FIFO buffer.

A privileged user inside guest could use this flaw to leak host memory bytes 
or crash the Qemu process resulting in DoS.

Upstream fix:
-------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1336429


This issue was discovered and reported by Li Qiang of 360.cn Inc. 
CVE-2016-4454 was assigned by Red Hat Inc.

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