CVE-2016-5242

5.6 MEDIUM
Published: June 07, 2016 Modified: May 06, 2026
View on 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://xenbits.xen.org/xsa/advisory-181.html
Source: cve@mitre.org
Vendor Advisory
http://www.debian.org/security/2016/dsa-3633
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/91015
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036035
Source: af854a3a-2127-422b-91ae-364da2661108
http://xenbits.xen.org/xsa/advisory-181.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.6 / 10.0
EPSS (Exploit Probability)
0.1%
33th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

xen