Fabrice Bellard QEMU use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (the affected version is unknown). It has been classified as problematic. Affected is an unknown code. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was disclosed 06/23/2014 as confirmed posting (Mailing List). The advisory is available at lists.gnu.org. This vulnerability is traded as CVE-2014-3471 since 05/14/2014. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 79811 (GLSA-201412-01 : QEMU: Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (93931) and Tenable (79811). Further details are available at bugzilla.redhat.com. The entry 70747 is pretty similar.






CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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Current Price Estimation: 🔍


Nessus ID: 79811
Nessus Name: GLSA-201412-01 : QEMU: Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 802733
OpenVAS Name: Ubuntu Update for qemu USN-2342-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

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05/14/2014 🔍
06/23/2014 +40 days 🔍
06/23/2014 +0 days 🔍
12/08/2014 +168 days 🔍
12/09/2014 +1 days 🔍
03/17/2015 +98 days 🔍
01/12/2018 +1032 days 🔍
04/21/2019 +464 days 🔍


Vendor: bellard.org

Advisory: lists.gnu.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3471 (🔍)

X-Force: 93931 - QEMU hw/pci/pcie.c denial of service, Low Risk
SecurityFocus: 68145 - QEMU CVE-2014-3471 Denial of Service Vulnerability
OSVDB: 108349

Misc.: 🔍
See also: 🔍


Created: 03/17/2015 04:11 PM
Updated: 04/21/2019 08:24 PM
Changes: 03/17/2015 04:11 PM (73), 04/21/2019 08:24 PM (11)
Complete: 🔍


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