CVE-2014-0148

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.

How to fix CVE-2014-0148

To remediate CVE-2014-0148, upgrade the affected package to a fixed version below.

• —upgrade to 2.0.0+dfsg-1 or later

Is CVE-2014-0148 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 2.0.0+dfsg-1

CVSS scores

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2014-0148