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Date: Tue, 31 Jan 2017 10:20:47 -0500
From: <cve-assign@...re.org>
To: <ppandit@...hat.com>
CC: <cve-assign@...re.org>, <oss-security@...ts.openwall.com>,
	<jiangxin1@...wei.com>
Subject: Re: CVE request Qemu: sd: sdhci OOB access during multi block SDMA transfer

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> Quick emulator(Qemu) built with the SDHCI device emulation support is
> vulnerable to an OOB heap access issue. It could occur while doing a multi
> block SDMA transfer via 'sdhci_sdma_transfer_multi_blocks' routine.
> 
> A privileged user inside guest 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.
> 
> https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06191.html
> https://bugzilla.redhat.com/show_bug.cgi?id=1417559

Use CVE-2017-5667.

This is not yet available at
http://git.qemu.org/?p=qemu.git;a=history;f=hw/sd/sdhci.c but
that may be an expected place for a later update.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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