HOMEVULNERABILITIESCVE-2014-0148
MEDIUM

CVE-2014-0148

CWE-835Published: September 29, 2022· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.

NVD Source

Technical Analysis

CVE-2014-0148 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

qemu1 product(s)
qemu
Red Hat8 product(s)
virtualizationenterprise linux desktopenterprise linux eusenterprise linux openstack platformenterprise linux serverenterprise linux server ausenterprise linux server tusenterprise linux workstation
Source: NVD CPE · 9 total CPE entries

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

PATCHhttp://www.openwall.com/lists/oss-security/2014/03/26/8
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=1078212
PATCHhttps://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
PATCHhttp://www.openwall.com/lists/oss-security/2014/03/26/8
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=1078212
PATCHhttps://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2014-0420.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2014-0421.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2014-0420.html
ADVISORYhttp://rhn.redhat.com/errata/RHSA-2014-0421.html

All References (12)

→
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
→
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=1078212Issue Tracking · Patch · Third Party Advisory
→
https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.htmlMailing List · Patch · Third Party Advisory
→
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
→
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=1078212Issue Tracking · Patch · Third Party Advisory
→
https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.htmlMailing List · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2014-0148
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-835
CISA KEVNo
Affected2 vendor(s)
PublishedSep 29, 2022

Related CVEs (CWE-835)

CVE-2017-12997
9.8
CVE-2018-20784
9.8
CVE-2017-12995
9.8
CVE-2017-12990
9.8
CVE-2021-42143
9.1
CVE-2024-43366
9.1

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2014-0148 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.
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