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Date: Wed, 25 May 2016 18:01:36 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Li Qiang <>
Subject: CVE Request Qemu: scsi: megasas: out-of-bounds write while setting
 controller properties


Quick Emulator(Qemu) built with the MegaRAID SAS 8708EM2 Host Bus Adapter 
emulation support is vulnerable to an out-of-bounds write access issue. It 
could occur while processing MegaRAID Firmware Interface(MFI) command to set 
controller properties in 'megasas_dcmd_set_properties'.

A privileged user inside guest could use this flaw to crash the Qemu process 
on the host resulting in DoS.

Upstream patch:

This issue was discovered by Li Qiang of Inc.

Thank you.
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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