Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2014-9718

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
21/04/2015
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0:rc4:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.1:rc4:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.5.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools