Upstream information

CVE-2020-27674 at MITRE

Description

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 5.3 6.2
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Access Vector Local Local
Access Complexity Low Low
Privileges Required Low None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact Low High
Integrity Impact Low None
Availability Impact Low None
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entries: 1177409 [NEW], 1178658 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
HPE Helion Openstack 8
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
HPE-Helion-OpenStack-8-2020-3631
Image SLES15-EC2-CHOST-HVM-BYOS
  • xen-libs >= 4.10.4_22-3.50.1
  • xen-tools-domU >= 4.10.4_22-3.50.1
Image SLES15-SP1-CHOST-BYOS-EC2
  • xen-libs >= 4.12.4_04-3.37.1
  • xen-tools-domU >= 4.12.4_04-3.37.1
Image SLES15-SP2-CHOST-BYOS-Aliyun
Image SLES15-SP2-CHOST-BYOS-Azure
Image SLES15-SP2-CHOST-BYOS-GCE
  • xen-libs >= 4.13.2_04-3.19.1
Image SLES15-SP2-CHOST-BYOS-EC2
  • xen-libs >= 4.13.2_04-3.19.1
  • xen-tools-domU >= 4.13.2_04-3.19.1
SUSE Enterprise Storage 5
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-Storage-5-2020-3631
SUSE Linux Enterprise High Performance Computing 15-ESPOS
SUSE Linux Enterprise High Performance Computing 15-LTSS
  • xen >= 4.10.4_22-3.50.1
  • xen-devel >= 4.10.4_22-3.50.1
  • xen-libs >= 4.10.4_22-3.50.1
  • xen-tools >= 4.10.4_22-3.50.1
  • xen-tools-domU >= 4.10.4_22-3.50.1
Patchnames:
SUSE-SLE-Product-HPC-15-2020-3627
SUSE Linux Enterprise Module for Basesystem 15 SP1
  • xen-libs >= 4.12.4_04-3.37.1
  • xen-tools-domU >= 4.12.4_04-3.37.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP1-2020-3611
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • xen-libs >= 4.13.2_04-3.19.1
  • xen-tools-domU >= 4.13.2_04-3.19.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP2-2020-3615
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 Open Buildservice Development Tools 15 SP1
  • xen >= 4.12.4_04-3.37.1
  • xen-devel >= 4.12.4_04-3.37.1
  • xen-doc-html >= 4.12.4_04-3.37.1
  • xen-libs >= 4.12.4_04-3.37.1
  • xen-libs-32bit >= 4.12.4_04-3.37.1
  • xen-tools >= 4.12.4_04-3.37.1
  • xen-tools-domU >= 4.12.4_04-3.37.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-3611
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2
  • xen >= 4.13.2_04-3.19.1
  • xen-devel >= 4.13.2_04-3.19.1
  • xen-doc-html >= 4.13.2_04-3.19.1
  • xen-libs >= 4.13.2_04-3.19.1
  • xen-libs-32bit >= 4.13.2_04-3.19.1
  • xen-tools >= 4.13.2_04-3.19.1
  • xen-tools-domU >= 4.13.2_04-3.19.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-3615
SUSE Linux Enterprise Module for Server Applications 15 SP1
  • xen >= 4.12.4_04-3.37.1
  • xen-devel >= 4.12.4_04-3.37.1
  • xen-tools >= 4.12.4_04-3.37.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP1-2020-3611
SUSE Linux Enterprise Module for Server Applications 15 SP2
  • xen >= 4.13.2_04-3.19.1
  • xen-devel >= 4.13.2_04-3.19.1
  • xen-tools >= 4.13.2_04-3.19.1
  • xen-tools-xendomains-wait-disk >= 4.13.2_04-3.19.1
Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP2-2020-3615
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 Point of Sale 12 SP2-CLIENT
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-SLE-POS-12-SP2-CLIENT-2020-3742
SUSE Linux Enterprise Server 11 SP4-LTSS
  • xen >= 4.4.4_46-61.58.1
  • xen-doc-html >= 4.4.4_46-61.58.1
  • xen-kmp-default >= 4.4.4_46_3.0.101_108.117-61.58.1
  • xen-kmp-pae >= 4.4.4_46_3.0.101_108.117-61.58.1
  • xen-libs >= 4.4.4_46-61.58.1
  • xen-libs-32bit >= 4.4.4_46-61.58.1
  • xen-tools >= 4.4.4_46-61.58.1
  • xen-tools-domU >= 4.4.4_46-61.58.1
Patchnames:
slessp4-xen-14557
SUSE Linux Enterprise Server 12 SP2-BCL
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2020-3742
SUSE Linux Enterprise Server 12 SP2-ESPOS
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2020-3742
SUSE Linux Enterprise Server 12 SP2-LTSS
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2020-3742
SUSE Linux Enterprise Server 12 SP3-BCL
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-BCL-2020-3631
SUSE Linux Enterprise Server 12 SP3-ESPOS
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2020-3631
SUSE Linux Enterprise Server 12 SP3-LTSS
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2020-3631
SUSE Linux Enterprise Server 12 SP4-ESPOS
  • xen >= 4.11.4_14-2.45.1
  • xen-doc-html >= 4.11.4_14-2.45.1
  • xen-libs >= 4.11.4_14-2.45.1
  • xen-libs-32bit >= 4.11.4_14-2.45.1
  • xen-tools >= 4.11.4_14-2.45.1
  • xen-tools-domU >= 4.11.4_14-2.45.1
Patchnames:
SUSE-SLE-SERVER-12-SP4-ESPOS-2020-3653
SUSE Linux Enterprise Server 12 SP4-LTSS
  • xen >= 4.11.4_14-2.45.1
  • xen-doc-html >= 4.11.4_14-2.45.1
  • xen-libs >= 4.11.4_14-2.45.1
  • xen-libs-32bit >= 4.11.4_14-2.45.1
  • xen-tools >= 4.11.4_14-2.45.1
  • xen-tools-domU >= 4.11.4_14-2.45.1
Patchnames:
SUSE-SLE-SERVER-12-SP4-LTSS-2020-3653
SUSE Linux Enterprise Server 15-LTSS
  • xen >= 4.10.4_22-3.50.1
  • xen-devel >= 4.10.4_22-3.50.1
  • xen-libs >= 4.10.4_22-3.50.1
  • xen-tools >= 4.10.4_22-3.50.1
  • xen-tools-domU >= 4.10.4_22-3.50.1
Patchnames:
SUSE-SLE-Product-SLES-15-2020-3627
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-SLE-SAP-12-SP2-2020-3742
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-SLE-SAP-12-SP3-2020-3631
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • xen >= 4.11.4_14-2.45.1
  • xen-doc-html >= 4.11.4_14-2.45.1
  • xen-libs >= 4.11.4_14-2.45.1
  • xen-libs-32bit >= 4.11.4_14-2.45.1
  • xen-tools >= 4.11.4_14-2.45.1
  • xen-tools-domU >= 4.11.4_14-2.45.1
Patchnames:
SUSE-SLE-SAP-12-SP4-2020-3653
SUSE Linux Enterprise Server for SAP Applications 15
  • xen >= 4.10.4_22-3.50.1
  • xen-devel >= 4.10.4_22-3.50.1
  • xen-libs >= 4.10.4_22-3.50.1
  • xen-tools >= 4.10.4_22-3.50.1
  • xen-tools-domU >= 4.10.4_22-3.50.1
Patchnames:
SUSE-SLE-Product-SLES_SAP-15-2020-3627
SUSE OpenStack Cloud 7
  • xen >= 4.7.6_12-43.70.1
  • xen-doc-html >= 4.7.6_12-43.70.1
  • xen-libs >= 4.7.6_12-43.70.1
  • xen-libs-32bit >= 4.7.6_12-43.70.1
  • xen-tools >= 4.7.6_12-43.70.1
  • xen-tools-domU >= 4.7.6_12-43.70.1
Patchnames:
SUSE-OpenStack-Cloud-7-2020-3742
SUSE OpenStack Cloud 8
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-OpenStack-Cloud-8-2020-3631
SUSE OpenStack Cloud 9
  • xen >= 4.11.4_14-2.45.1
  • xen-doc-html >= 4.11.4_14-2.45.1
  • xen-libs >= 4.11.4_14-2.45.1
  • xen-libs-32bit >= 4.11.4_14-2.45.1
  • xen-tools >= 4.11.4_14-2.45.1
  • xen-tools-domU >= 4.11.4_14-2.45.1
Patchnames:
SUSE-OpenStack-Cloud-9-2020-3653
SUSE OpenStack Cloud Crowbar 8
  • xen >= 4.9.4_14-3.77.1
  • xen-doc-html >= 4.9.4_14-3.77.1
  • xen-libs >= 4.9.4_14-3.77.1
  • xen-libs-32bit >= 4.9.4_14-3.77.1
  • xen-tools >= 4.9.4_14-3.77.1
  • xen-tools-domU >= 4.9.4_14-3.77.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-8-2020-3631
SUSE OpenStack Cloud Crowbar 9
  • xen >= 4.11.4_14-2.45.1
  • xen-doc-html >= 4.11.4_14-2.45.1
  • xen-libs >= 4.11.4_14-2.45.1
  • xen-libs-32bit >= 4.11.4_14-2.45.1
  • xen-tools >= 4.11.4_14-2.45.1
  • xen-tools-domU >= 4.11.4_14-2.45.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-9-2020-3653
openSUSE Leap 15.1
  • xen >= 4.12.4_04-lp151.2.33.1
  • xen-devel >= 4.12.4_04-lp151.2.33.1
  • xen-doc-html >= 4.12.4_04-lp151.2.33.1
  • xen-libs >= 4.12.4_04-lp151.2.33.1
  • xen-libs-32bit >= 4.12.4_04-lp151.2.33.1
  • xen-tools >= 4.12.4_04-lp151.2.33.1
  • xen-tools-domU >= 4.12.4_04-lp151.2.33.1
Patchnames:
openSUSE-2020-2192
openSUSE Leap 15.2
  • xen >= 4.13.2_04-lp152.2.18.1
  • xen-devel >= 4.13.2_04-lp152.2.18.1
  • xen-doc-html >= 4.13.2_04-lp152.2.18.1
  • xen-libs >= 4.13.2_04-lp152.2.18.1
  • xen-libs-32bit >= 4.13.2_04-lp152.2.18.1
  • xen-tools >= 4.13.2_04-lp152.2.18.1
  • xen-tools-domU >= 4.13.2_04-lp152.2.18.1
  • xen-tools-xendomains-wait-disk >= 4.13.2_04-lp152.2.18.1
Patchnames:
openSUSE-2020-2162
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-LTSS-SAP xen In progress
SUSE CaaS Platform 4.0 xen In progress
SUSE Enterprise Storage 5 xen Unsupported
SUSE Enterprise Storage 6 xen In progress
SUSE Linux Enterprise High Performance Computing 12 SP5 xen Released
SUSE Linux Enterprise High Performance Computing 15 LTSS xen Released
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS xen Released
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS xen In progress
SUSE Linux Enterprise Micro 5.0 xen Released
SUSE Linux Enterprise Micro 5.1 xen Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP1 xen Released
SUSE Linux Enterprise Module for Basesystem 15 SP2 xen Released
SUSE Linux Enterprise Module for Basesystem 15 SP3 xen Already fixed
SUSE Linux Enterprise Module for Server Applications 15 SP1 xen Released
SUSE Linux Enterprise Module for Server Applications 15 SP2 xen Released
SUSE Linux Enterprise Module for Server Applications 15 SP3 xen Already fixed
SUSE Linux Enterprise Point of Service 11 SP3 xen Affected
SUSE Linux Enterprise Point of Service Image Server 12 SP2 xen Unsupported
SUSE Linux Enterprise Server 11 SP1 xen Analysis
SUSE Linux Enterprise Server 11 SP3 xen Analysis
SUSE Linux Enterprise Server 11 SP4 xen Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS xen In progress
SUSE Linux Enterprise Server 12 SP2 ESPOS xen Unsupported
SUSE Linux Enterprise Server 12 SP2 LTSS xen Unsupported
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 ESPOS xen Released
SUSE Linux Enterprise Server 12 SP4 LTSS xen Released
SUSE Linux Enterprise Server 12 SP5 xen Released
SUSE Linux Enterprise Server 15 ESPOS xen Released
SUSE Linux Enterprise Server 15 LTSS xen Released
SUSE Linux Enterprise Server 15 SP1 LTSS xen In progress
SUSE Linux Enterprise Server BCL 12 SP2 xen In progress
SUSE Linux Enterprise Server BCL 12 SP3 xen In progress
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 xen In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP2 xen Unsupported
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 12 SP5 xen Released
SUSE Linux Enterprise Server for SAP Applications 15 xen Released
SUSE Linux Enterprise Server for SAP Applications 15 SP1 xen In progress
SUSE Manager Proxy 4.0 xen In progress
SUSE Manager Retail Branch Server 4.0 xen In progress
SUSE Manager Server 4.0 xen In progress
SUSE OpenStack Cloud 7 xen Unsupported
SUSE OpenStack Cloud 8 xen In progress
SUSE OpenStack Cloud 9 xen Released
SUSE OpenStack Cloud Crowbar 8 xen In progress
SUSE OpenStack Cloud Crowbar 9 xen Released