Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Mon, 1 Jun 2020 23:53:01 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: "Ding, Ren" <>, "Zhao, Hanqing" <>,, Alexander Bulekov <>
Subject: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may
 lead to DoS


An OOB access issue was found in the Message Signalled Interrupt (MSI-X) 
device support of QEMU. It could occur while performing MSI-X mmio operations 
when a guest sent address goes beyond the mmio region. A guest user/process 
may use this flaw to crash the QEMU process resulting in DoS scenario.

Proposed patch:

This issue was reported by Ren Ding & Hanqing Zhao of SSLab Georgia Tech. And 
also independently reported by Alexander Bulekov , Anatoly Trosinenko(CC'd). 
'CVE-2020-13754' requested via ->

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

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.