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Date: Tue, 6 Sep 2016 20:56:28 -0400 (EDT)
From: cve-assign@...re.org
To: ppandit@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com, vv474172261@...il.com
Subject: Re: CVE Request Qemu: scsi: mptsas: invalid memory access while building configuration pages
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Hash: SHA256
> Quick emulator(Qemu) built with the LSI SAS1068 Host Bus emulation support, is
> vulnerable to an invalid memory access issue. It could occur while building
> configuration page headers in 'mptsas_config_manufacturing_1'.
>
> A privileged user inside guest could use this flaw to crash the Qemu process
> on the host, resulting in DoS.
>
> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04295.html
>> When LSI SAS1068 Host Bus emulator builds configuration page
>> headers, the format string used in 'mptsas_config_manufacturing_1'
>> was wrong. It could lead to an invalid memory access.
Use CVE-2016-7157.
This is not yet available at
http://git.qemu.org/?p=qemu.git;a=history;f=hw/scsi/mptconfig.c but
that may be an expected place for a later update.
> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04296.html
>> When LSI SAS1068 Host Bus emulator builds configuration page
>> headers, mptsas_config_pack() asserts to check returned size
>> value is within limit of 256 bytes. Fix that assert expression.
Our interpretation is that this assert issue is not an independently
relevant security problem, and does not need its own unique CVE ID.
- --
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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