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Vulnerability of QEMU: out-of-bounds memory reading via LSI SAS1068

Synthesis of the vulnerability 

An attacker, in a guest system, can force a read at an invalid address via LSI SAS1068 of QEMU, in order to trigger a denial of service, or to obtain sensitive information on the host system.
Vulnerable software: QEMU, Ubuntu.
Severity of this announce: 1/4.
Creation date: 06/09/2016.
Références of this computer vulnerability: CVE-2016-7157, USN-3125-1, VIGILANCE-VUL-20527.

Description of the vulnerability 

An attacker, in a guest system, can force a read at an invalid address via LSI SAS1068 of QEMU, in order to trigger a denial of service, or to obtain sensitive information on the host system.
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This vulnerability impacts software or systems such as QEMU, Ubuntu.

Our Vigil@nce team determined that the severity of this security announce is low.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this computer vulnerability note.

Solutions for this threat 

QEMU: patch for LSI SAS1068.
A patch is available:
  https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04295.html
  https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04296.html

Ubuntu: new qemu packages (10/11/2016).
New packages are available:
  Ubuntu 12.04 LTS: qemu 1.0+noroms-0ubuntu14.31
  Ubuntu 14.04 LTS: qemu 2.0.0+dfsg-2ubuntu1.30
  Ubuntu 16.04 LTS: qemu 1:2.5+dfsg-5ubuntu10.6
  Ubuntu 16.10: qemu 1:2.6.1+dfsg-0ubuntu5.1
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