CVE-2016-3710
HIGHCVSS 8.8/10EPSS 0.92%
Last modified
CVE-2016-3710 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
Description
The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Debian | Debian Linux | 8.0 | — |
| Hp | Helion Openstack | 2.0.0 | — |
| Hp | Helion Openstack | 2.1.0 | — |
| Hp | Helion Openstack | 2.1.2 | — |
| Hp | Helion Openstack | 2.1.4 | — |
| Canonical | Ubuntu Linux | 12.04 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 15.10 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Qemu | Qemu | <= 2.5.1 | — |
| Qemu | Qemu | 2.6.0 | Rc0 |
| Oracle | Vm Server | 3.2 | — |
| Oracle | Vm Server | 3.3 | — |
| Oracle | Vm Server | 3.4 | — |
| Oracle | Linux | 5 | — |
| Oracle | Linux | 6 | — |
| Oracle | Linux | 7 | — |
| Citrix | Xenserver | <= 7.0 | — |
| Redhat | Openstack | 5.0 | — |
| Redhat | Openstack | 6.0 | — |
| Redhat | Openstack | 7.0 | — |
| Redhat | Openstack | 8 | — |
| Redhat | Virtualization | 3.0 | — |
| Redhat | Enterprise Linux Desktop | 6.0 | — |
| Redhat | Enterprise Linux Desktop | 7.0 | — |
| Redhat | Enterprise Linux Server | 6.0 | — |
| Redhat | Enterprise Linux Server | 7.0 | — |
| Redhat | Enterprise Linux Server Aus | 7.2 | — |
| Redhat | Enterprise Linux Server Aus | 7.3 | — |
| Redhat | Enterprise Linux Server Aus | 7.4 | — |
| Redhat | Enterprise Linux Server Aus | 7.6 | — |
| Redhat | Enterprise Linux Server Eus | 7.2 | — |
| Redhat | Enterprise Linux Server Eus | 7.3 | — |
| Redhat | Enterprise Linux Server Eus | 7.4 | — |
| Redhat | Enterprise Linux Server Eus | 7.5 | — |
| Redhat | Enterprise Linux Server Eus | 7.6 | — |
| Redhat | Enterprise Linux Server Eus | 7.7 | — |
| Redhat | Enterprise Linux Server Tus | 7.2 | — |
| Redhat | Enterprise Linux Server Tus | 7.3 | — |
| Redhat | Enterprise Linux Server Tus | 7.6 | — |
| Redhat | Enterprise Linux Server Tus | 7.7 | — |
| Redhat | Enterprise Linux Workstation | 6.0 | — |
| Redhat | Enterprise Linux Workstation | 7.0 | — |
References
- http://rhn.redhat.com/errata/RHSA-2016-0724.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0725.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0997.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0999.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1000.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1001.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1002.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1019.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1943.htmlThird Party Advisory
- http://support.citrix.com/article/CTX212736Third Party Advisory
- http://www.debian.org/security/2016/dsa-3573Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/09/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/90316Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035794Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-179.htmlThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1224Third Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862Third Party Advisory, Vendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.htmlMailing List, Patch, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0724.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0725.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0997.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-0999.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1000.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1001.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1002.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1019.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1943.htmlThird Party Advisory
- http://support.citrix.com/article/CTX212736Third Party Advisory
- http://www.debian.org/security/2016/dsa-3573Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/09/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/90316Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035794Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-179.htmlThird Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1224Third Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862Third Party Advisory, Vendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.htmlMailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-3710?
The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.
How severe is CVE-2016-3710?
CVE-2016-3710 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2016-3710?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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