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Date: Mon, 18 Jan 2021 19:48:07 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Wenxiang Qian <>
Subject: CVE-2020-29443 QEMU: ide: atapi: OOB access while processing read


An out-of-bounds read access issue was found in the ATAPI Emulator of QEMU. It 
occurs while processing ATAPI read command if logical block address(LBA) is 
set to an invalid value. A guest user may use this flaw to crash the QEMU 
process on the host resulting in DoS scenario.

Upstream patch:

This issue was reported by Wenxiang Qian of Tencent Blade Team.

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

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