CVE & CISA-KEV Catalog

CVE-2016-3710

HIGH

8.8

CVSS v3

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.

CWE-119Buffer Overflow

How to fix

Remediation Available

qemuDebian

Fixed in:1:2.6+dfsg-1CVE-2016-3710

Fixed in:1:2.6+dfsg-1CVE-2016-3710

Fixed in:1:2.6+dfsg-1CVE-2016-3710

Fixed in:1:2.6+dfsg-1CVE-2016-3710

qemuUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-systemUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-aarch64Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-armUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-mipsUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-miscUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-ppcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-s390xUbuntu

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-sparcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

qemu-system-x86Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.24USN-2974-1

Fixed in:1:2.5+dfsg-5ubuntu10.1USN-2974-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.92%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.