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Message-ID: <nycvar.YSQ.7.77.849.2007021123400.6260@xnncv>
Date: Thu, 2 Jul 2020 11:28:46 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Lei Sun <slei.casper@...il.com>
Subject: CVE-2020-15469 QEMU: MMIO ops null pointer dereference may lead to
DoS
Hello,
A NULL pointer dereference issue was found in various system emulators of
QEMU. It could occur while performing MMIO r/w operations, in case the
respective handler function is not defined. A privileged guest user able to
invoke MMIO operation may use this flaw to crash the QEMU process on the host
resulting in DoS scenario.
Upstream patch(es):
-------------------
-> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html
This issue was reported by Lei Sun(CC'd); CVE-2020-15469 assigned 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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