CVE-2014-9718

Qemu: PRDT overflow from guest to host

Published Apr 21, 2015 CVSS 2.0 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-3259-1 qemu security update
EUVD EUVD EUVD-2014-9525 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.
Ubuntu USN Ubuntu USN USN-2724-1 QEMU vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 1:55 PM
Reserved
Apr 21, 2015, 12:00 AM
Status
Modified
Published
Apr 21, 2015, 4:59 PM
Modified
Jun 17, 2026, 12:18 AM
Severity
Moderate
Public date
Oct 31, 2014, 12:00 AM