CVE-2014-5146

CVE Details

Release Date:

2014-08-12

Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.

See more information about CVE-2014-5146 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	4.3	Base Metrics:	AV:A/AC:H/Au:S/C:N/I:N/A:C
Access Vector:	Adjacent network	Attack Complexity:	High
Authentication:	Requires single instance	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle VM version 3.3 (xen)	OVMSA-2015-0004	2015-01-21

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