Upstream information

CVE-2016-5242 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.7
Vector AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.6
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entry: 983300 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 12-LTSS xen Not affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise Desktop 11 SP4 xen Not affected
SUSE Linux Enterprise Desktop 12 xen Not affected
SUSE Linux Enterprise Desktop 12 SP1 xen Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP3 xen Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP4 xen Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS xen Not affected
SUSE Linux Enterprise Server 12 xen Not affected
SUSE Linux Enterprise Server 12 SP1 xen Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS xen Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 xen Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4 xen Not affected
SUSE Linux Enterprise Software Development Kit 12 xen Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1 xen Not affected


SUSE Timeline for this CVE

CVE page created: Mon Jun 6 17:15:57 2016
CVE page last modified: Fri Oct 13 19:14:58 2023