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Date: Tue, 29 Aug 2017 22:15:17 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: wjjzhang <wjjzhang@...cent.com>
Subject: CVE-2017-13711 Qemu: Slirp: use-after-free when sending response

    Hello,

Quick emulator(Qemu) built with the Slirp networking support is vulnerable to 
an use-after-free issue. It occurs due to Socket referenced from multiple 
packets is freed while responding to a message.

A user/process could use this flaw to crash the Qemu process on the host 
resulting in DoS.

Upstream patch:
---------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.html

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1486400

This issue was reported by Wjjzhang.

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

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