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Date: Fri, 9 Sep 2016 18:38:08 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Qinghao Tang <>, Li Qiang <>
Subject: CVE Request Qemu: vmware_vga: OOB stack memory access when processing
 svga command


Quick Emulator(Qemu) built with the VMware-SVGA "chipset" emulation support is 
vulnerable to an OOB stack memory write issue. It could occur while processing 
VGA commands in 'vmsvga_fifo_run' routine.

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

Upstream fix:

This issue was independently reported by Qinghao Tang and Li Qiang of 

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

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