CVE-2016-5242

Published: Jun 7, 2016Modified: May 6, 2026

5.6

Vector

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

Exploitability: 1.1 / Impact: 4.0

Source: NVD

Description

The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.

Affected (12)

Products: Xen: Xen

Xen

1 product

Xen

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
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 4.4.4
Xen Xen	Version 4.5.0
Xen Xen	Version 4.5.1
Xen Xen	Version 4.5.2
Xen Xen	Version 4.5.3
Xen Xen	Version 4.6.0
Xen Xen	Version 4.6.1