CVE-2016-1571

Published: Jan 22, 2016Modified: May 6, 2026

6.3

Vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 4.0

Source: NVD

Description

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 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.

Affected (37)

Products: Citrix: Xenserver · Xen: Xen

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Citrix Xenserver	Up to 6.5

Configuration B

36 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Version 3.3.0
Xen Xen	Version 3.3.1
Xen Xen	Version 3.3.2
Xen Xen	Version 3.4.0
Xen Xen	Version 3.4.1
Xen Xen	Version 3.4.2
Xen Xen	Version 3.4.3
Xen Xen	Version 3.4.4
Xen Xen	Version 4.1.0
Xen Xen	Version 4.1.1
Xen Xen	Version 4.1.2
Xen Xen	Version 4.1.3
Xen Xen	Version 4.1.4
Xen Xen	Version 4.1.5
Xen Xen	Version 4.1.6.1
Xen Xen	Version 4.1.6
Xen Xen	Version 4.2.0
Xen Xen	Version 4.2.1
Xen Xen	Version 4.2.2
Xen Xen	Version 4.2.3
Xen Xen	Version 4.2.4
Xen Xen	Version 4.2.5
Xen Xen	Version 4.3.0
Xen Xen	Version 4.3.1
Xen Xen	Version 4.3.2
Xen Xen	Version 4.3.3
Xen Xen	Version 4.3.4
Xen Xen	Version 4.4.0
Xen Xen	Version 4.4.0 rc1
Xen Xen	Version 4.4.1
Xen Xen	Version 4.4.2
Xen Xen	Version 4.4.3
Xen Xen	Version 4.5.0
Xen Xen	Version 4.5.1
Xen Xen	Version 4.5.2
Xen Xen	Version 4.6.0