oss-security - CVE request Qemu: net: Infinite loop in mcf_fec_do

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Message-ID: <alpine.LFD.2.20.1610031659410.30046@wniryva>
Date: Mon, 3 Oct 2016 17:01:03 +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: Infinite loop in mcf_fec_do_tx

   Hello,

Quick Emulator(Qemu) built with the ColdFire Fast Ethernet Controller emulator 
support is vulnerable to an infinite loop issue. It could occur while 
processing packets on the transmit queue in 'mcf_fec_do_tx'.

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/msg05557.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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