CVE-2016-5242

2016-06-0700:00:00

ubuntu.com

5.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:N/I:N/A:C

0.001 Low

EPSS

Percentile

23.9%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchxen< 4.4.2-0ubuntu0.14.04.6UNKNOWN
ubuntu15.10noarchxen< 4.5.1-0ubuntu1.4UNKNOWN
ubuntu16.04noarchxen< 4.6.0-1ubuntu4.1UNKNOWN