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 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H 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
SUSE Bugzilla entry: 1114405 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform 3.0
  • xen >= 4.9.3_03-3.47.1
  • 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 >= 4.9.3_03-3.47.1
  • 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 Module for Basesystem 15
  • xen >= 4.10.2_04-3.9.1
  • 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 Basesystem 15 SP1
  • xen-libs >= 4.12.0_12-1.1
  • xen-tools-domU >= 4.12.0_12-1.1
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 SP1 GA xen-libs
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 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
Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 SP1 GA xen
SUSE Linux Enterprise Server 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
  • 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 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 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 >= 4.9.3_03-3.47.1
  • 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 >= 4.11.1_02-2.3.1
  • xen-devel >= 4.11.1_02-2.3.1
Patchnames:
SUSE-SLE-SDK-12-SP4-2019-3
openSUSE Leap 15.0
  • xen >= 4.10.2_04-lp150.2.12.1
  • xen-debugsource >= 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-libs-32bit-debuginfo >= 4.10.2_04-lp150.2.12.1
  • xen-libs-debuginfo >= 4.10.2_04-lp150.2.12.1
  • xen-tools >= 4.10.2_04-lp150.2.12.1
  • xen-tools-debuginfo >= 4.10.2_04-lp150.2.12.1
  • xen-tools-domU >= 4.10.2_04-lp150.2.12.1
  • xen-tools-domU-debuginfo >= 4.10.2_04-lp150.2.12.1
Patchnames:
openSUSE-2019-1046
openSUSE Leap 42.3
  • xen >= 4.9.3_03-34.1
  • xen-debugsource >= 4.9.3_03-34.1
  • xen-devel >= 4.9.3_03-34.1
  • xen-doc-html >= 4.9.3_03-34.1
  • xen-libs >= 4.9.3_03-34.1
  • xen-libs-debuginfo >= 4.9.3_03-34.1
  • xen-tools >= 4.9.3_03-34.1
  • xen-tools-debuginfo >= 4.9.3_03-34.1
  • xen-tools-domU >= 4.9.3_03-34.1
  • xen-tools-domU-debuginfo >= 4.9.3_03-34.1
Patchnames:
openSUSE-2018-1530


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 Released
CaaS Platform 2.0 xen Released
CaaS Platform 3.0 xen Released
SUSE Linux Enterprise Desktop 12 SP3 xen Released
SUSE Linux Enterprise Desktop 12 SP4 xen Released
SUSE Linux Enterprise High Performance Computing 12 xen Released
SUSE Linux Enterprise Module for Basesystem 15 GA xen Released
SUSE Linux Enterprise Module for Server Applications 15 GA xen Released
SUSE Linux Enterprise SDK 11 SP4 xen Not affected
SUSE Linux Enterprise SDK 12 SP3 xen Released
SUSE Linux Enterprise SDK 12 SP4 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 GA 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 SP4 xen Released
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 Released