CVE-2016-5242

medium

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.

References

http://xenbits.xen.org/xsa/advisory-181.html

http://www.securitytracker.com/id/1036035

http://www.securityfocus.com/bid/91015

http://www.debian.org/security/2016/dsa-3633

Details

Source: Mitre, NVD

Published: 2016-06-07

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.6

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

Severity: Medium