Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2014-0146

NULL Pointer Dereference

Published: Aug 10, 2017 | Modified: Apr 20, 2025
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
1.9 LOW
AV:L/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
4 LOW
AV:L/AC:H/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2014-0146
CWEhttps://cwe.mitre.org/data/definitions/476.html

The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
QemuQemu*1.7.1 (including)
QemuQemu2.0.0-rc0 (including)2.0.0-rc0 (including)
QemuQemu2.0.0-rc1 (including)2.0.0-rc1 (including)
QemuQemu2.0.0-rc2 (including)2.0.0-rc2 (including)
QemuQemu2.0.0-rc3 (including)2.0.0-rc3 (including)
OpenStack 3 for RHEL 6RedHatqemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8*
OpenStack 4 for RHEL 6RedHatqemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8*
Red Hat Enterprise Linux 6RedHatqemu-kvm-2:0.12.1.2-2.415.el6_5.8*
RHEV 3.X Hypervisor and Agents for RHEL-6RedHatqemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8*
RHEV 3.X Hypervisor and Agents for RHEL-6RedHatrhev-hypervisor6-0:6.5-20140603.2.el6ev*
QemuUbuntusaucy*
QemuUbuntuupstream*
Qemu-kvmUbuntulucid*
Qemu-kvmUbuntuprecise*
Qemu-kvmUbuntuquantal*

Potential Mitigations

References

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