CVE-2016-3712: Integer Overflow
First published: Wed May 11 2016(Updated: )
Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oracle VM Server | =3.3 | |
| Oracle VM Server | =3.4 | |
| QEMU | <=2.5.1 | |
| QEMU | =2.6.0-rc0 | |
| QEMU | =2.6.0-rc1 | |
| QEMU | =2.6.0-rc2 | |
| QEMU | =2.6.0-rc3 | |
| QEMU | =2.6.0-rc4 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =15.10 | |
| Ubuntu | =16.04 | |
| Debian | =8.0 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.7 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.4 | |
| Red Hat Enterprise Linux Server | =7.5 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.7 | |
| Red Hat Enterprise Linux Server | =7.3 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.7 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| XenServer | <=7.0 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2016-2585.html
- http://rhn.redhat.com/errata/RHSA-2017-0621.html
- http://support.citrix.com/article/CTX212736
- http://www.debian.org/security/2016/dsa-3573
- http://www.openwall.com/lists/oss-security/2016/05/09/4
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/90314
- http://www.securitytracker.com/id/1035794
- http://www.ubuntu.com/usn/USN-2974-1
- http://xenbits.xen.org/xsa/advisory-179.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01196.html
Frequently Asked Questions
What is the severity of CVE-2016-3712?
CVE-2016-3712 has a high severity due to its potential to cause a denial of service.
How do I fix CVE-2016-3712?
To fix CVE-2016-3712, update QEMU to version 2.6.0 or later, and apply all relevant patches for Oracle VM Server and affected Linux distributions.
Which software is affected by CVE-2016-3712?
CVE-2016-3712 affects several versions of QEMU, Oracle VM Server 3.3 and 3.4, and specific releases of Ubuntu and Red Hat Enterprise Linux.
Can CVE-2016-3712 be exploited remotely?
No, CVE-2016-3712 requires local access to the guest OS to exploit the vulnerability.
What is the type of vulnerability for CVE-2016-3712?
CVE-2016-3712 is categorized as an integer overflow vulnerability within the VGA module of QEMU.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
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- vendor/canonical
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- version/ubuntu/15.10
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- vendor/debian
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