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Message-ID: <nycvar.YSQ.7.77.849.2005281113450.62159@xnncv>
Date: Thu, 28 May 2020 11:16:50 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: "Ding, Ren" <rding@...ech.edu>, "Zhao, Hanqing" <hanqing@...ech.edu>,
Alexander Bulekov <alxndr@...edu>
Subject: CVE-2020-13362 QEMU: megasas: OOB read access due to invalid index
leads to DoS
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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