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Date: Wed, 22 Jul 2020 12:51:56 +0200
From: Mauro Matteo Cascella <>
To:, ziming zhang <>
Subject: CVE-2020-15863 QEMU: stack-based overflow in
 xgmac_enet_send() in hw/net/xgmac.c


a stack-based buffer overflow vulnerability was found in the XGMAC NIC
device of the QEMU emulator. This flaw occurs during packet
transmission and affects the highbank and midway ARM emulated
machines. A malicious guest could use this flaw to crash the QEMU
process on the host, resulting in a denial of service or potential
code execution with the privileges of the QEMU process.

Upstream patch:

This issue was reported by Ziming Zhang (CC'd).
CVE-2020-15863 requested via MITRE form:

Mauro Matteo Cascella, Red Hat Product Security
6F78 E20B 5935 928C F0A8  1A9D 4E55 23B8 BB34 10B0

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