oss-security - CVE Request Qemu: net: pcnet: infinite loop in pcnet_rdra

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Message-ID: <alpine.LFD.2.20.1610031723380.30560@wniryva>
Date: Mon, 3 Oct 2016 17:25:36 +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: net: pcnet: infinite loop in pcnet_rdra_addr

   Hello,

Quick Emulator(Qemu) built with the AMD PC-Net II emulator support is 
vulnerable to an infinite loop issue. It could occur while receiving packets 
via pcnet_receive().

A privileged user/process inside guest could use this issue to crash the Qemu 
process on the host leading to DoS.

Upstream patch
--------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.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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