[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-Id: <20160916172249.12FAB42E003@smtpvbsrv1.mitre.org>
Date: Fri, 16 Sep 2016 13:22:49 -0400 (EDT)
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: scsi: pvscsi: infinite loop when processing IO requests
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
> Quick Emulator(Qemu) built with the VMWARE PVSCSI paravirtual SCSI bus
> emulation support is vulnerable to an infinite loop issue. It could occur
> while processing SCSI IO requests.
>
> A privileged user inside guest could use this flaw to crash the Qemu process
> resulting in DoS.
>
> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html
> https://bugzilla.redhat.com/show_bug.cgi?id=1376731
> http://git.qemu.org/?p=qemu.git;a=commit;h=d251157ac1928191af851d199a9ff255d330bec9
>> scsi: pvscsi: limit process IO loop to ring size
>>
>> Vmware Paravirtual SCSI emulator while processing IO requests
>> could run into an infinite loop if 'pvscsi_ring_pop_req_descr'
>> always returned positive value. Limit IO loop to the ring size.
Use CVE-2016-7421.
- --
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 ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=B4w3
-----END PGP SIGNATURE-----
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
