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CVE-2014-0146

16
FAUCET Score

CVE-2014-0146 describes a NULL pointer dereference vulnerability in the qcow2_open function within QEMU versions prior to 1.7.2 and 2.x prior to 2.0.0. This flaw allows a local attacker to trigger a denial of service by providing a specially crafted QCOW2 image. Rated Medium severity (CVSS 5.5), the vulnerability requires local access and user interaction (UI:R) to exploit, leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.0.0:rc0:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.0.0:rc1:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.0.0:rc2:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:2.0.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 40th percentile among its peer group of 5,758 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8
View patch
redhatpatch availablevia redhat_api
Product: OpenStack 4 for RHEL 6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.415.el6_5.8
View patch
redhatpatch availablevia redhat_api
Product: OpenStack 3 for RHEL 6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.5-20140603.2.el6ev
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: qemu-kvm-rhev
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2014-0146Low

Qemu: qcow2: NULL dereference in qcow2_open() error path

Mar 26, 2014

References

git.qemu.org
rhn.redhat.com / errata/RHSA-2014-0420.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2014-0421.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
debian.org / security/2014/dsa-3044
openwall.com / lists/oss-security/2014/03/26/8
Mailing ListThird Party Advisory