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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2014-0207 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.
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T09:05:38.967Z

Reserved: 2013-12-03T00:00:00.000Z

Link: CVE-2014-0148

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-09-29T03:15:11.340

Modified: 2024-11-21T02:01:28.860

Link: CVE-2014-0148

cve-icon Redhat

Severity : Low

Publid Date: 2014-03-26T00:00:00Z

Links: CVE-2014-0148 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses