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List: oss-security
Subject: [oss-security] CVE-2020-13361 QEMU: es1370: OOB access due to incorrect frame count leads to DoS
From: P J P <ppandit () redhat ! com>
Date: 2020-05-28 5:14:53
Message-ID: nycvar.YSQ.7.77.849.2005281030080.62159 () xnncv
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Hello,
An OOB access issue was found in the ES1370 audio device emulator of the QEMU.
The issue occurs in 'audio_pcm_sw_read', while reading audio byte stream from
a channel, if the channel frame count is set to a malicious value. A guest
user/process may use this flaw to crash the QEMU process on the host resulting
in DoS scenario.
Upstream patch:
---------------
-> https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07230.html
This issue was reported by Ren Ding & Hanqing Zhao of SSLab Georgia Tech.
'CVE-2020-13361' requested 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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