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Date: Wed, 13 Jan 2021 15:42:17 +0100
From: Mauro Matteo Cascella <>
Subject: CVE-2020-11947 QEMU: heap buffer overflow in iSCSI
 block driver may lead to information disclosure

Hello all,

A heap buffer overflow was found in the QEMU block driver for iSCSI
images. This flaw could lead to an out-of-bounds read access and
possible information disclosure from the QEMU process memory to a
malicious guest. The highest threat from this vulnerability is to data

Upstream fix:;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5

CVE-2020-11947 was assigned to this issue by MITRE Corporation.

Best regards.
Mauro Matteo Cascella
Red Hat Product Security
PGP-Key ID: BB3410B0

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