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: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.2
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 8.8 5.8
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Access Vector Local Local
Access Complexity Low High
Privileges Required Low Low
User Interaction None None
Scope Changed Unchanged
Confidentiality Impact High Low
Integrity Impact High Low
Availability Impact High High
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1114405 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image SLES15-EC2-CHOST-HVM-BYOS
  • xen-libs >= 4.10.2_04-3.9.1
  • xen-tools-domU >= 4.10.2_04-3.9.1
SUSE CaaS Platform 3.0
  • xen-libs >= 4.9.3_03-3.47.1
  • xen-tools-domU >= 4.9.3_03-3.47.1
Patchnames:
SUSE-CAASP-3.0-2018-2896
SUSE CaaS Platform ALL
  • xen-libs >= 4.9.3_03-3.47.1
  • xen-tools-domU >= 4.9.3_03-3.47.1
Patchnames:
SUSE-CAASP-ALL-2018-2896
SUSE Linux Enterprise Desktop 12 SP3
  • xen >= 4.9.3_03-3.47.1
  • xen-libs >= 4.9.3_03-3.47.1
  • xen-libs-32bit >= 4.9.3_03-3.47.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP3-2018-2896
SUSE Linux Enterprise Desktop 12 SP4
  • xen >= 4.11.1_02-2.3.1
  • xen-libs >= 4.11.1_02-2.3.1
  • xen-libs-32bit >= 4.11.1_02-2.3.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP4-2019-3
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP5
  • xen >= 4.12.1_06-1.1
  • xen-doc-html >= 4.12.1_06-1.1
  • xen-libs >= 4.12.1_06-1.1
  • xen-libs-32bit >= 4.12.1_06-1.1
  • xen-tools >= 4.12.1_06-1.1
  • xen-tools-domU >= 4.12.1_06-1.1
SUSE Linux Enterprise Module for Basesystem 15 SP1
  • xen-libs >= 4.12.0_12-1.1
  • xen-tools-domU >= 4.12.0_12-1.1
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • xen-libs >= 4.13.1_02-1.2
  • xen-tools-domU >= 4.13.1_02-1.2
SUSE Linux Enterprise Module for Basesystem 15 SP3
  • xen-libs >= 4.14.1_16-1.6
  • xen-tools-domU >= 4.14.1_16-1.6
SUSE Linux Enterprise Module for Basesystem 15
  • xen-libs >= 4.10.2_04-3.9.1
  • xen-tools-domU >= 4.10.2_04-3.9.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-2018-3063
SUSE Linux Enterprise Module for Server Applications 15 SP1
  • xen >= 4.12.0_12-1.1
  • xen-devel >= 4.12.0_12-1.1
  • xen-tools >= 4.12.0_12-1.1
SUSE Linux Enterprise Module for Server Applications 15 SP2
  • xen >= 4.13.1_02-1.2
  • xen-devel >= 4.13.1_02-1.2
  • xen-tools >= 4.13.1_02-1.2
  • xen-tools-xendomains-wait-disk >= 4.13.1_02-1.2
SUSE Linux Enterprise Module for Server Applications 15 SP3
  • xen >= 4.14.1_16-1.6
  • xen-devel >= 4.14.1_16-1.6
  • xen-tools >= 4.14.1_16-1.6
  • xen-tools-xendomains-wait-disk >= 4.14.1_16-1.6
SUSE Linux Enterprise Module for Server Applications 15
  • xen >= 4.10.2_04-3.9.1
  • xen-devel >= 4.10.2_04-3.9.1
  • xen-tools >= 4.10.2_04-3.9.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-2018-3063
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • xen >= 4.9.3_03-3.47.1
  • xen-doc-html >= 4.9.3_03-3.47.1
  • xen-libs >= 4.9.3_03-3.47.1
  • xen-libs-32bit >= 4.9.3_03-3.47.1
  • xen-tools >= 4.9.3_03-3.47.1
  • xen-tools-domU >= 4.9.3_03-3.47.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-2896
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • xen >= 4.11.1_02-2.3.1
  • xen-doc-html >= 4.11.1_02-2.3.1
  • xen-libs >= 4.11.1_02-2.3.1
  • xen-libs-32bit >= 4.11.1_02-2.3.1
  • xen-tools >= 4.11.1_02-2.3.1
  • xen-tools-domU >= 4.11.1_02-2.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP4-2019-3
SUSE Linux Enterprise Software Development Kit 12 SP3
  • xen-devel >= 4.9.3_03-3.47.1
Patchnames:
SUSE-SLE-SDK-12-SP3-2018-2896
SUSE Linux Enterprise Software Development Kit 12 SP4
  • xen-devel >= 4.11.1_02-2.3.1
Patchnames:
SUSE-SLE-SDK-12-SP4-2019-3
SUSE Linux Enterprise Software Development Kit 12 SP5
  • xen-devel >= 4.12.1_06-1.1
openSUSE Leap 15.0
  • xen >= 4.10.2_04-lp150.2.12.1
  • xen-devel >= 4.10.2_04-lp150.2.12.1
  • xen-doc-html >= 4.10.2_04-lp150.2.12.1
  • xen-libs >= 4.10.2_04-lp150.2.12.1
  • xen-libs-32bit >= 4.10.2_04-lp150.2.12.1
  • xen-tools >= 4.10.2_04-lp150.2.12.1
  • xen-tools-domU >= 4.10.2_04-lp150.2.12.1
Patchnames:
openSUSE-2019-1046
openSUSE Tumbleweed
  • xen >= 4.15.1_01-1.2
  • xen-devel >= 4.15.1_01-1.2
  • xen-doc-html >= 4.15.1_01-1.2
  • xen-libs >= 4.15.1_01-1.2
  • xen-libs-32bit >= 4.15.1_01-1.2
  • xen-tools >= 4.15.1_01-1.2
  • xen-tools-domU >= 4.15.1_01-1.2
  • xen-tools-xendomains-wait-disk >= 4.15.1_01-1.2
Patchnames:
openSUSE Tumbleweed GA xen-4.15.1_01-1.2


First public cloud image revisions this CVE is fixed in:


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
HPE Helion OpenStack 8 xen In progress
SLES for SAP Applications xen Not affected
SUSE CaaS Platform 3.0 xen Released
SUSE CaaS Platform 4.0 xen Already fixed
SUSE Container as a Service Platform 1.0 xen Released
SUSE Container as a Service Platform 2.0 xen Released
SUSE Enterprise Storage 6 xen Already fixed
SUSE Linux Enterprise Desktop 12 SP3 xen Released
SUSE Linux Enterprise Desktop 12 SP4 xen Released
SUSE Linux Enterprise High Performance Computing 12 SP4 xen Released
SUSE Linux Enterprise High Performance Computing 15 LTSS xen In progress
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS xen Already fixed
SUSE Linux Enterprise Module for Basesystem 15 xen Released
SUSE Linux Enterprise Module for Server Applications 15 xen Released
SUSE Linux Enterprise Server 11 SP3 LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP4 xen Not affected
SUSE Linux Enterprise Server 12 LTSS xen Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS xen Not affected
SUSE Linux Enterprise Server 12 SP3 xen Released
SUSE Linux Enterprise Server 12 SP3 ESPOS xen In progress
SUSE Linux Enterprise Server 12 SP3 LTSS xen In progress
SUSE Linux Enterprise Server 12 SP4 xen Released
SUSE Linux Enterprise Server 12 SP4 ESPOS xen In progress
SUSE Linux Enterprise Server 12 SP4 LTSS xen In progress
SUSE Linux Enterprise Server 15 ESPOS xen In progress
SUSE Linux Enterprise Server 15 LTSS xen In progress
SUSE Linux Enterprise Server 15 SP1 LTSS xen Already fixed
SUSE Linux Enterprise Server BCL 12 SP3 xen In progress
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 xen Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 xen Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 xen In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP4 xen Released
SUSE Linux Enterprise Server for SAP Applications 15 xen In progress
SUSE Linux Enterprise Server for SAP Applications 15 SP1 xen Already fixed
SUSE Linux Enterprise Software Development Kit 11 SP4 xen Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3 xen Released
SUSE Linux Enterprise Software Development Kit 12 SP4 xen Released
SUSE Manager Proxy 4.0 xen Already fixed
SUSE Manager Retail Branch Server 4.0 xen Already fixed
SUSE Manager Server 4.0 xen Already fixed
SUSE OpenStack Cloud 8 xen In progress
SUSE OpenStack Cloud 9 xen In progress
SUSE OpenStack Cloud Crowbar 8 xen In progress
SUSE OpenStack Cloud Crowbar 9 xen In progress