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.
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

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

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

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.