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Date: Thu, 23 Jan 2020 23:25:06 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Felipe Franciosi <>, 
    Peter Turschmid <>, 
    Raphael Norwitz <>
Subject: CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected
 response of iSCSI Server


An out-of-bounds heap buffer access issue was found in the way iSCSI Block 
driver in QEMU handled response coming from an iSCSI server, while checking 
status of a Logical Address Block (LBA) in iscsi_co_block_status() routine.

A remote user could use this flaw to crash the QEMU process resulting in DoS 
OR potentially execute arbitrary code with privileges of the QEMU process on 
the host.

Upstream patch:

This issue was reported by Felipe Franciosi, Raphael Norwitz and Peter 
Turschmid of

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

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