CVE-2014-9718
Qemu: PRDT overflow from guest to host
Severity
ModerateRed Hat Product Security
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 · 4.6AV:A/AC:H/Au:N/C:N/I:N/A:C
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')