CVE & CISA-KEV Catalog

CVE-2016-9913

MEDIUM
6.5
CVSS v3
NVD

Description

Memory leak in the v9fs_device_unrealize_common function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) via vectors involving the order of resource cleanup.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.8+dfsg-1CVE-2016-9913
Fixed in:1:2.8+dfsg-1CVE-2016-9913
Fixed in:1:2.8+dfsg-1CVE-2016-9913
Fixed in:1:2.8+dfsg-1CVE-2016-9913
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 VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.41%probability of exploitation in 30 days
33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Other references1

Related Vulnerabilities

Other CWE-401 (Missing Release of Memory (Memory Leak)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13934High7.564%-Fix
CVE-2016-6304High7.563%-Fix
CVE-2019-12265Medium5.355%-Fix
CVE-2001-0136Medium5.045%--
CVE-2016-4232High7.536%--
CVE-2001-0543Medium5.021%--
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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.