HOMEVULNERABILITIESCVE-2014-3471
MEDIUM

CVE-2014-3471

CWE-416Published: January 12, 2018· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.

NVD Source

Technical Analysis

CVE-2014-3471 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

qemu1 product(s)
qemu
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (10)

http://www.openwall.com/lists/oss-security/2014/06/23/4Mailing List · Patch · Third Party Advisory
http://www.securityfocus.com/bid/68145Third Party Advisory · VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1112271Issue Tracking · Patch · Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/06/23/4Mailing List · Patch · Third Party Advisory
http://www.securityfocus.com/bid/68145Third Party Advisory · VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1112271Issue Tracking · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2014-3471
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected1 vendor(s)
PublishedJan 12, 2018

Related CVEs (CWE-416)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2014-3471 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.