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Date: Thu, 4 Jun 2020 10:30:41 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Ren Ding <>, Hanqing Zhao <>, 
    Yi Ren <>
Subject: CVE-2020-13791 QEMU: ati-vga: OOB access while reading PCI configuration
 may lead to DoS


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

This issue was reported by Ren Ding and Hanqing Zhao of SSLab Georgia Tech and 
Yi Ren(CC'd)

'CVE-2020-13791' requeted via ->

Thank you.
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D

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