Date: Mon, 1 Jun 2020 23:53:01 +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>, anatoly.trosinenko@...il.com, Alexander Bulekov <alxndr@...edu> Subject: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS Hello, 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: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html 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 -> http://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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