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List: oss-security
Subject: [oss-security] CVE-2020-13362 QEMU: megasas: OOB read access due to invalid index leads to DoS
From: P J P <ppandit () redhat ! com>
Date: 2020-05-28 5:58:50
Message-ID: nycvar.YSQ.7.77.849.2005281113450.62159 () xnncv
[Download RAW message or body]
Hello,
An OOB read access issue was found in the MegaRAID SAS 8708EM2 emulator of the
QEMU. It occurs in 'megasas_lookup_frame' routine when 's->reply_queue_head'
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/msg03463.html
This issue was reported by Ren Ding & Hanqing Zhao of SSLab Georgia Tech and
also by Alexander Bulekov. CVE-2020-13362 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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