CVE-2014-0148

MEDIUM
5.5
CVSS Score
Published: February 11, 2020 at 03:43 AM UTC
Updated: June 17, 2026 at 12:02 AM UTC
9 products affected across 2 vendorsEnterprise Linux DesktopEnterprise Linux ServerEnterprise Linux Workstation

Using Qemu by N/A?

Get instant alerts when new vulnerabilities affect Qemu - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.0
Affected range stops below 2.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement

References (6)

Vendor Advisoryx_refsource_REDHATx_refsource_MISCThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0420.html
Vendor Advisoryx_refsource_REDHATx_refsource_MISCThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0421.html
Mailing Listx_refsource_MLISTx_refsource_MISCPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2014/03/26/8
x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1078212
x_refsource_MISCMailing ListPatchThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card