The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2015-04-21T16:00:00

Updated: 2024-08-06T13:55:04.598Z

Reserved: 2015-04-21T00:00:00

Link: CVE-2014-9718

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2015-04-21T16:59:00.077

Modified: 2023-02-13T00:45:32.650

Link: CVE-2014-9718

cve-icon Redhat

Severity : Moderate

Publid Date: 2014-10-31T00:00:00Z

Links: CVE-2014-9718 - Bugzilla