CVE & CISA-KEV Catalog

CVE-2015-8744

MEDIUM
5.5
CVSS v3
NVD

Description

QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It occurs when a guest sends a Layer-2 packet smaller than 22 bytes. A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.

CWE-20Improper Input Validation

How to fix

Remediation Available
qemuDebian
Fixed in:1:2.5+dfsg-1CVE-2015-8744
Fixed in:1:2.5+dfsg-1CVE-2015-8744
Fixed in:1:2.5+dfsg-1CVE-2015-8744
Fixed in:1:2.5+dfsg-1CVE-2015-8744
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-systemUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-aarch64Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-armUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-mipsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-miscUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-ppcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-sparcUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.22USN-2891-1

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

0.40%probability of exploitation in 30 days
32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Other references1

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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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.