Upstream information

CVE-2018-18883 at MITRE

Description

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 5.8
Vector AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Access Vector Local
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact Low
Availability Impact High
SUSE Bugzilla entry: 1114405 [NEW]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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.

Product(s) Source package State
CaaS Platform 1.0 xen Affected
CaaS Platform 2.0 xen Affected
CaaS Platform 3.0 xen Affected
SUSE Linux Enterprise Desktop 12 SP3 xen Affected
SUSE Linux Enterprise Desktop 12 SP4 xen Affected
SUSE Linux Enterprise High Performance Computing 12 xen Affected
SUSE Linux Enterprise Module for Basesystem 15 GA xen Affected
SUSE Linux Enterprise Module for Server Applications 15 GA xen Affected
SUSE Linux Enterprise SDK 11 SP4 xen Not affected
SUSE Linux Enterprise SDK 12 SP3 xen Affected
SUSE Linux Enterprise SDK 12 SP4 xen Affected
SUSE Linux Enterprise Server 11 SP3 LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP4 xen Not affected
SUSE Linux Enterprise Server 12 GA LTSS xen Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS xen Not affected
SUSE Linux Enterprise Server 12 SP3 xen Affected
SUSE Linux Enterprise Server 12 SP4 xen Affected
SUSE Linux Enterprise Server for SAP Applications 11 SP3 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 GA xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 xen Affected