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Message-ID: <nycvar.YSQ.7.77.849.2006041027040.62159@xnncv>
Date: Thu, 4 Jun 2020 10:30:41 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Ren Ding <rding@...ech.edu>, Hanqing Zhao <hanqing@...ech.edu>,
Yi Ren <c4tren@...il.com>
Subject: CVE-2020-13791 QEMU: ati-vga: OOB access while reading PCI configuration
may lead to DoS
Hello,
An out-of-bounds access issue was found in the ati-vga emulator of the QEMU.
It could occur while reading PCI configuration bytes via ati_mm_read routine,
if the address sent by a guest is towards an end of the PCI configuration
space. A guest user/process may use this flaw to crash the QEMU process
resulting in DoS scenario.
Upstream patch
---------------
-> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00831.html
This issue was reported by Ren Ding and Hanqing Zhao of SSLab Georgia Tech and
Yi Ren(CC'd)
'CVE-2020-13791' requeted via -> https://cveform.mitre.org/
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D
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