Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Sat,  8 Oct 2016 11:31:16 -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: usb: hcd-ehci: memory leak in ehci_process_itd

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> Qemu emulator(Qemu) built with the USB EHCI emulation support is vulnerable to
> a memory leakage flaw. It could occur while processing isochronous transfer
> descriptors(iTD), with buffer page select(PG) index that falls beyond buffer
> page array area.
> 
> A privileged user inside guest could use this flaw to leak Qemu memory bytes
> leading to a DoS on the host.
> 
> https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
> https://bugzilla.redhat.com/show_bug.cgi?id=1382668

Use CVE-2016-7995.

This is not yet available at
http://git.qemu.org/?p=qemu.git;a=history;f=hw/usb/hcd-ehci.c but
that may be an expected place for a later update.

- -- 
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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=1cxH
-----END PGP SIGNATURE-----

Powered by blists - more mailing lists

Your e-mail address:

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.