CVE Database›CVE-2014-9718

CVE-2014-9718

Qemu: PRDT overflow from guest to host

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Severity

Moderate

Red Hat Product Security

4.6

CVSS 2.0

Review impact separately from score.

Published · October 31, 2014

Updated · June 27, 2026

Description

A denial of service flaw was found in the way QEMU handled malformed Physical Region Descriptor Table (PRDT) data sent to the host's IDE and/or AHCI controller emulation. A privileged guest user could use this flaw to crash the system.

Statement

This issue did not affect the versions of the kvm package as shipped with Red Hat Enterprise Linux 5 and the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6.

This issue affects the version of the qemu-kvm package as shipped with Red Hat Enterprise Linux 7, a future update may address this flaw.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.6
AV:A/AC:H/Au:N/C:N/I:N/A:C

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')