CVE-2016-3710
CVE-2016-3710 is a high-severity vulnerability in Redhat Openstack with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Redhat Openstack
- Published:
- Last modified:
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.
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 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-3710 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-3710?
- CVE-2016-3710 primarily affects Redhat Openstack. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-3710?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-3710 published?
- CVE-2016-3710 was published on 2016-05-11 and last updated on 2026-06-17.
References
- http://rhn.redhat.com/errata/RHSA-2016-0724.html
- http://rhn.redhat.com/errata/RHSA-2016-0725.html
- http://rhn.redhat.com/errata/RHSA-2016-0997.html
- http://rhn.redhat.com/errata/RHSA-2016-0999.html
- http://rhn.redhat.com/errata/RHSA-2016-1000.html
- http://rhn.redhat.com/errata/RHSA-2016-1001.html
- http://rhn.redhat.com/errata/RHSA-2016-1002.html
- http://rhn.redhat.com/errata/RHSA-2016-1019.html
- http://rhn.redhat.com/errata/RHSA-2016-1943.html
- http://support.citrix.com/article/CTX212736
- http://www.debian.org/security/2016/dsa-3573
- http://www.openwall.com/lists/oss-security/2016/05/09/3
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/90316
- http://www.securitytracker.com/id/1035794
- http://www.ubuntu.com/usn/USN-2974-1
- http://xenbits.xen.org/xsa/advisory-179.html
- https://access.redhat.com/errata/RHSA-2016:1224
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862
- https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg01197.html
Affected products (47)
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:hp:helion_openstack:2.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.6.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.6.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.6.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:oracle:vm_server:3.2:*:*:*:*:*:x86:*
- cpe:2.3:a:oracle:vm_server:3.3:*:*:*:*:*:x86:*
- cpe:2.3:a:oracle:vm_server:3.4:*:*:*:*:*:x86:*
- cpe:2.3:o:oracle:linux:5:-:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
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