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.
CVE-2014-0147
Score 6.2 from GitHub Security Advisory published 2022-09-30. NVD baseline CVSS 6.2; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.2
- EG Score
- 6.2(medium)
- EPSS
- 24.9%
- KEV
- Not listed
Published
September 29, 2022
Last Modified
November 21, 2024
References (12)
- secalert@redhathttp://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=246f65838d19db6db55bfb41117c35645a2c4789
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0420.html
- secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0421.html
- secalert@redhathttp://www.openwall.com/lists/oss-security/2014/03/26/8
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1078848
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1086717
- af854a3a-2127-422b-91ae-364da2661108http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=246f65838d19db6db55bfb41117c35645a2c4789
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2014-0420.html
- af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2014-0421.html
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2014/03/26/8
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1078848
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1086717
Vendor Advisories for CVE-2014-0147(5)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2014:0674Red Hat Product SecurityMedium
Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update
- RHSA-2014:0434Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm-rhev security update
- RHSA-2014:0435Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm-rhev security update
- RHSA-2014:0420Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm security update
- RHSA-2014:0421Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm-rhev security update
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | qemu-utils (2.0.0+dfsg-2ubuntu1.3) @ trusty | 2026-05-25 | ubuntu |
| redhat | rhev-hypervisor6-0:6.5-20140603.2.el6ev | 2014-06-09 | redhat |
| redhat | qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8 | 2014-04-24 | redhat |
| redhat | qemu-kvm-2:0.12.1.2-2.415.el6_5.8 | 2014-04-22 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(1)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 6× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-09 19:05 UTCEPSS rescore
- 2026-07-08 15:10 UTCEPSS rescore
- 2026-07-07 13:41 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-02 15:21 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-28 17:02 UTCOSV refresh
- 2026-06-28 14:03 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 14:53 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:56 UTCEPSS rescore
- 2026-06-11 08:09 UTCOSV refresh
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:18 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-25 14:32 UTCEG score recompute
- 2026-05-25 14:32 UTCVendor advisory
- 2026-05-25 14:32 UTCGHSA enrichment
- 2026-05-24 16:43 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
Same CWE
10 shownCWE-190
- CVE-2009-0947EG 9.8CRITICAL
- CVE-2013-2729EG 9.8 KEVEPSS 99%CRITICAL
- CVE-2005-1141EG 9.8CRITICAL
- CVE-2005-0102EG 9.8CRITICAL
- CVE-2002-0391EG 9.8EPSS 99%CRITICAL
- CVE-2002-0639EG 9.8EPSS 97%CRITICAL
- CVE-2013-3486EG 9.6CRITICAL
- CVE-2013-2596NVD 7.8EG 9.0 KEVHIGH
- CVE-2012-5054NVD 8.8EG 9.0 KEVEPSS 97%HIGH
- CVE-2011-1823NVD 7.8EG 9.0 KEVEPSS 99%HIGH
Frequently asked(5)
What is CVE-2014-0147?
When was CVE-2014-0147 disclosed?
Is CVE-2014-0147 actively exploited?
What is the CVSS score of CVE-2014-0147?
How do I remediate CVE-2014-0147?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2014-0147
Is Your Infrastructure Affected by CVE-2014-0147?
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