CVE-2014-0147

MEDIUM

Qemu < 1.6.2 - Denial of Service via QCOW2 Snapshot Refcount Logic Error

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1078848
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1086717
Third Party Advisory x_refsource_misc
http://rhn.redhat.com/errata/RHSA-2014-0420.html
Third Party Advisory x_refsource_misc
http://rhn.redhat.com/errata/RHSA-2014-0421.html
Mailing List, Patch, Third Party Advisory x_refsource_misc
http://www.openwall.com/lists/oss-security/2014/03/26/8

Scores

CVSS v3 6.2
EPSS 0.0012
EPSS Percentile 30.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-190
Status published
Products (10)
fedoraproject/fedora 20
qemu/qemu < 1.6.2
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_eus 6.5
redhat/enterprise_linux_openstack_platform 5
redhat/enterprise_linux_server 6.0
redhat/enterprise_linux_server_aus 6.5
redhat/enterprise_linux_server_tus 6.5
redhat/enterprise_linux_workstation 6.0
redhat/virtualization 3.0
Published Sep 29, 2022
Tracked Since Feb 18, 2026