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CVE-2016-3710

28
FAUCET Score

CVE-2016-3710, dubbed "Dark Portal," is a critical vulnerability in the QEMU VGA module affecting various products including Canonical, Debian, and Red Hat. It allows a local guest OS administrator to execute arbitrary code on the host system due to improper bounds checking during banked video memory access. With a CVSS score of 8.8 (HIGH), this vulnerability has a low attack complexity and requires local privileges, but can lead to complete compromise of confidentiality, integrity, and availability on the host. Despite its high severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:hp:helion_openstack:2.0.0:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:hp:helion_openstack:2.1.0:*:*:*:*:*:*:*
2.1.2CPE matchmatch criteria
cpe:2.3:a:hp:helion_openstack:2.1.2:*:*:*:*:*:*:*
2.1.4CPE matchmatch criteria
cpe:2.3:a:hp:helion_openstack:2.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 91st percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm-0:83-276.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.491.el6_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-10:1.5.3-105.el7_2.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.491.el6_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.3.0-31.el7_2.13
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.3.0-31.el7_2.13
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: qemu-kvm-rhev-10:2.3.0-31.el7_2.13
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 8.0 (Liberty)Fixed in: qemu-kvm-rhev-10:2.3.0-31.el7_2.13
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.479.el6_7.5
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-7Fixed in: qemu-kvm-rhev-10:2.3.0-31.el7_2.13
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-rhev
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qemu-kvm-rhev
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: qemu-kvm-rhev

Vendor Advisories (1)

redhatCVE-2016-3710Important

qemu: incorrect banked access bounds checking in vga module

May 9, 2016

References

rhn.redhat.com / errata/RHSA-2016-0724.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-0725.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-0997.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-0999.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1000.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1001.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1002.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1019.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2016-1943.html
Third Party Advisory
access.redhat.com / errata/RHSA-2016:1224
Third Party Advisory
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party AdvisoryVendor Advisory
lists.gnu.org / archive/html/qemu-devel/2016-05/msg01197.html
Mailing ListPatchThird Party Advisory
support.citrix.com / article/CTX212736
Third Party Advisory
debian.org / security/2016/dsa-3573
Third Party Advisory
openwall.com / lists/oss-security/2016/05/09/3
Mailing ListThird Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinapr2016-2952096.html
Third Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinoct2016-3090545.html
Third Party Advisory
oracle.com / technetwork/topics/security/ovmbulletinjul2016-3090546.html
Third Party Advisory
securityfocus.com / bid/90316
Third Party AdvisoryVDB Entry
securitytracker.com / id/1035794
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2974-1
Third Party Advisory
xenbits.xen.org / xsa/advisory-179.html
Third Party Advisory