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Date: Mon, 15 Jan 2018 23:34:52 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: jiangxin1@...wei.com
Subject: CVE-2018-5683 Qemu: Out-of-bounds read in vga_draw_text routine

   Hello,

Quick Emulator(QEMU) built with the VGA emulator support is vulnerable to an 
out-of-bounds access issue in vga_draw_text. It could occur while updating vga 
display area.

A privileged user inside guest could use this flaw to crash the Qemu process 
resulting in DoS.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2018-01/msg02131.html

This issue was reported by Jiang Xin of Huawei.com.

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

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