CVE & CISA-KEV Catalog

CVE-2017-9373

MEDIUM
5.5
CVSS v3
NVD

Description

Memory leak in QEMU (aka Quick Emulator), when built with IDE AHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the AHCI device.

CWE-401Missing Release of Memory (Memory Leak)

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.8+dfsg-7CVE-2017-9373
Fixed in:1:2.8+dfsg-7CVE-2017-9373
Fixed in:1:2.8+dfsg-7CVE-2017-9373
Fixed in:1:2.8+dfsg-7CVE-2017-9373
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-s390xUbuntu
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.35USN-3414-1
Fixed in:1:2.5+dfsg-5ubuntu10.15USN-3414-1

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
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days
34thpercentile

Low risk: more likely to be exploited than 34% 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 2026-05-13.