CVE & CISA-KEV Catalog

CVE-2016-6351

MEDIUM
6.7
CVSS v3
NVD

Description

The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.6+dfsg-3.1CVE-2016-6351
Fixed in:1:2.6+dfsg-3.1CVE-2016-6351
Fixed in:1:2.6+dfsg-3.1CVE-2016-6351
Fixed in:1:2.6+dfsg-3.1CVE-2016-6351
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-s390xUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.26USN-3047-1
Fixed in:1:2.5+dfsg-5ubuntu10.3USN-3047-1

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 RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.47%probability of exploitation in 30 days
38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Other references2
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Markdown

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HTML

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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.