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Date: Thu, 13 Dec 2018 15:02:30 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Li Qiang <>
Subject: CVE-2018-20123 QEMU: pvrdma: memory leakage in device hotplug


A memory leakage issue was found in the way QEMU initialised its VMWare's 
paravirtual RDMA device. In pvrdma_realize() routine, if an error occurred, it 
did not release memory resources allocated to various objects.

A guest user/process could use this flaw to leak host memory, resulting in DoS 
for host.

Upstream patch:

This issue was reported by Li Qiang of

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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