CVE-2016-1571

CVE Details

Release Date:	2016-01-20
Impact:	Important	What is this?

Description

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.xthrough 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

See more information about CVE-2016-1571 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	6.3
Vector String:	AV:N/AC:M/Au:S/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2016-0008	2016-01-25
Oracle VM version 3.3 (xen)	OVMSA-2016-0007	2016-01-25