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Date: Sun, 30 Oct 2016 15:44:13 -0400
From: <cve-assign@...re.org>
To: <ppandit@...hat.com>
CC: <cve-assign@...re.org>, <oss-security@...ts.openwall.com>,
	<liqiang6-s@....cn>
Subject: Re: CVE request Qemu: memory leakage in v9fs_link

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> Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9
> File System(9pfs) support, is vulnerable to a memory leakage issue. It could
> occur when calling v9fs_link call.
> 
> A privileged user inside guest could use this flaw to leak the host memory
> bytes resulting in DoS for other services.
> 
> https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02608.html
> http://git.qemu.org/?p=qemu.git;a=commit;h=4c1586787ff43c9acd18a56c12d720e3e6be9f7c

>> it doesn't put the 'oldfidp'
>> fid object, this will make the 'oldfidp->ref' never reach to 0

Use CVE-2016-9105.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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