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CVE request Qemu: net: OOB buffer access in rocker switch emulation


From: P J P <ppandit () redhat com>
Date: Fri, 14 Oct 2016 16:44:16 +0530 (IST)

  Hello,

Quick Emulator(Qemu) built with the Rocker switch emulation support is vulnerable to an OOB read access issue. It could occur while performing a DMA access 'TEST_DMA_CTRL_INVERT' test.

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

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02501.html

Reference:
----------
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1384896

This issue was reported by Huawei Product Security Incident Response Team (PSIRT), Huawei 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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