CVE & CISA-KEV Catalog

CVE-2017-2620

MEDIUMEPSS 88th pctl

5.5

CVSS v3

Description

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

CWE-787Out-of-bounds Write CWE-125Out-of-bounds Read

How to fix

Remediation Available

qemuDebian

Fixed in:1:2.8+dfsg-3CVE-2017-2620

Fixed in:1:2.8+dfsg-3CVE-2017-2620

Fixed in:1:2.8+dfsg-3CVE-2017-2620

Fixed in:1:2.8+dfsg-3CVE-2017-2620

qemuUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-systemUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-aarch64Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-armUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-mipsUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-miscUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-ppcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-s390xUbuntu

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-sparcUbuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

qemu-system-x86Ubuntu

Fixed in:2.0.0+dfsg-2ubuntu1.33USN-3261-1

Fixed in:1:2.5+dfsg-5ubuntu10.11USN-3261-1

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 VectorAdjacent

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Exploit Intelligence

3.56%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2024-11-21.