CVEvulnerability

CVE-2016-5242

5.6 MEDIUM Published 2016-06-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-06-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.6 MEDIUM — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.7 MEDIUM — AV:L/AC:M/Au:N/C:N/I:N/A:C

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 configurations

• xen xen 4.4.0 • xen xen 4.4.1 • xen xen 4.4.2 • xen xen 4.4.3 • xen xen 4.4.4 • xen xen 4.5.0 • xen xen 4.5.1 • xen xen 4.5.2 • xen xen 4.5.3 • xen xen 4.6.0 • xen xen 4.6.1

References