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Date: Mon, 10 Oct 2016 17:00:15 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Li Qiang <liqiang6-s@....cn>
Subject: CVE request Qemu: 9pfs: potential NULL dereferencein 9pfs routines

   Hello,

Quick Emulator(Qemu) built with the virtio-9p back-end support is vulnerable 
to a null pointer dereference issue. It could occur while doing an I/O vector 
unmarshalling operation in v9fs_iov_vunmarshal() routine.

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

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07143.html

This issue was reported by Li Qiang of 360.cn 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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