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Date: Wed, 15 Feb 2017 15:26:03 +0530 (IST)
From: P J P <>
To: oss security list <>
cc: Eric Blake <>
Subject: CVE-2017-2630 Qemu: nbd: oob stack write in client routine


Quick Emulator(Qemu) built with the Network Block Device(NBD) client support 
is vulnerable to a stack buffer overflow issue. It could occur while 
processing server's response to a 'NBD_OPT_LIST' request.

A malicious NBD server could use this issue to crash remote NBD client 
resulting in DoS or potentially execute arbitrary code on client host with 
privileges of the Qemu process.

Upstream patch:


'CVE-2017-2630' is assigned to this issue by Red Hat 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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