MEDIUM
CVE-2014-0147
CWE-190Published: September 29, 2022· Updated: Jun 17, 2026
6.2
CVSS v3.1
Official Description
Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.
Technical Analysis
CVE-2014-0147 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.2.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
http://rhn.redhat.com/errata/RHSA-2014-0420.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2014-0421.htmlThird Party Advisory
→
http://www.openwall.com/lists/oss-security/2014/03/26/8Mailing List · Patch · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1078848Issue Tracking · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1086717Issue Tracking · Third Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2014-0420.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2014-0421.htmlThird Party Advisory
→
http://www.openwall.com/lists/oss-security/2014/03/26/8Mailing List · Patch · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1078848Issue Tracking · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1086717Issue Tracking · Third Party Advisory
Quick Facts
CVE IDCVE-2014-0147
CVSS Score6.2 / 10
SeverityMEDIUM
WeaknessCWE-190
CISA KEVNo
Affected3 vendor(s)
PublishedSep 29, 2022
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2014-0147 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.