Upstream information

CVE-2019-19579 at MITRE

Description

An issue was discovered in Xen through 4.12.x allowing attackers to gain host OS privileges via DMA in a situation where an untrusted domain has access to a physical device (and assignable-add is not used), because of an incomplete fix for CVE-2019-18424. XSA-302 relies on the use of libxl's "assignable-add" feature to prepare devices to be assigned to untrusted guests. Unfortunately, this is not considered a strictly required step for device assignment. The PCI passthrough documentation on the wiki describes alternate ways of preparing devices for assignment, and libvirt uses its own ways as well. Hosts where these "alternate" methods are used will still leave the system in a vulnerable state after the device comes back from a guest. An untrusted domain with access to a physical device can DMA into host memory, leading to privilege escalation. Only systems where guests are given direct access to physical devices capable of DMA (PCI pass-through) are vulnerable. Systems which do not use PCI pass-through are not vulnerable.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having important 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
Base Score 6.8
Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Physical
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1157888 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
HPE Helion Openstack 8
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
HPE-Helion-OpenStack-8-2019-3297
HPE-Helion-OpenStack-8-2020-1630
Image SLES15-EC2-CHOST-HVM-BYOS
  • xen-libs >= 4.10.4_08-3.28.1
  • xen-tools-domU >= 4.10.4_08-3.28.1
Image SLES15-SP1-CHOST-BYOS-EC2
  • xen-libs >= 4.12.1_06-3.9.1
  • xen-tools-domU >= 4.12.1_06-3.9.1
SUSE CaaS Platform 3.0
  • xen >= 4.9.4_06-3.59.1
  • xen-libs >= 4.9.4_06-3.59.1
  • xen-tools-domU >= 4.9.4_06-3.59.1
 Patchnames:
SUSE-CAASP-3.0-2019-3297
SUSE Enterprise Storage 5
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-Storage-5-2019-3297
SUSE-Storage-5-2020-1630
SUSE Linux Enterprise Desktop 12 SP4
  • xen >= 4.11.3_02-2.20.1
  • xen-libs >= 4.11.3_02-2.20.1
  • xen-libs-32bit >= 4.11.3_02-2.20.1
 Patchnames:
SUSE-SLE-DESKTOP-12-SP4-2019-3310
SUSE Linux Enterprise Module for Basesystem 15 SP1
  • xen >= 4.12.1_06-3.9.1
  • xen-libs >= 4.12.1_06-3.9.1
  • xen-tools-domU >= 4.12.1_06-3.9.1
 Patchnames:
SUSE-SLE-Module-Basesystem-15-SP1-2019-3338
SUSE Linux Enterprise Module for Basesystem 15
  • xen >= 4.10.4_08-3.28.1
  • xen-libs >= 4.10.4_08-3.28.1
  • xen-tools-domU >= 4.10.4_08-3.28.1
 Patchnames:
SUSE-SLE-Module-Basesystem-15-2019-3309
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP1
  • xen >= 4.12.1_06-3.9.1
  • xen-devel >= 4.12.1_06-3.9.1
  • xen-doc-html >= 4.12.1_06-3.9.1
  • xen-libs >= 4.12.1_06-3.9.1
  • xen-libs-32bit >= 4.12.1_06-3.9.1
  • xen-tools >= 4.12.1_06-3.9.1
  • xen-tools-domU >= 4.12.1_06-3.9.1
 Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-3338
SUSE Linux Enterprise Module for Server Applications 15 SP1
  • xen >= 4.12.1_06-3.9.1
  • xen-devel >= 4.12.1_06-3.9.1
  • xen-tools >= 4.12.1_06-3.9.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-SP1-2019-3338
SUSE Linux Enterprise Module for Server Applications 15
  • xen >= 4.10.4_08-3.28.1
  • xen-devel >= 4.10.4_08-3.28.1
  • xen-tools >= 4.10.4_08-3.28.1
 Patchnames:
SUSE-SLE-Module-Server-Applications-15-2019-3309
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-SLE-POS-12-SP2-CLIENT-2020-334
SUSE Linux Enterprise Server 11 SP4-LTSS
SUSE Linux Enterprise Server for SAP Applications 11 SP4-LTSS
  • xen >= 4.4.4_42-61.52.1
  • xen-doc-html >= 4.4.4_42-61.52.1
  • xen-kmp-default >= 4.4.4_42_3.0.101_108.114-61.52.1
  • xen-kmp-pae >= 4.4.4_42_3.0.101_108.114-61.52.1
  • xen-libs >= 4.4.4_42-61.52.1
  • xen-libs-32bit >= 4.4.4_42-61.52.1
  • xen-tools >= 4.4.4_42-61.52.1
  • xen-tools-domU >= 4.4.4_42-61.52.1
 Patchnames:
slessp4-xen-14444
SUSE Linux Enterprise Server 12 SP1-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS
  • xen >= 4.5.5_28-22.64.1
  • xen-doc-html >= 4.5.5_28-22.64.1
  • xen-kmp-default >= 4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-libs >= 4.5.5_28-22.64.1
  • xen-libs-32bit >= 4.5.5_28-22.64.1
  • xen-tools >= 4.5.5_28-22.64.1
  • xen-tools-domU >= 4.5.5_28-22.64.1
 Patchnames:
SUSE-SLE-SERVER-12-SP1-2020-388
SUSE Linux Enterprise Server 12 SP2-BCL
SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2020-334
SUSE Linux Enterprise Server 12 SP2-ESPOS
SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2020-334
SUSE Linux Enterprise Server 12 SP2-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-SLE-SERVER-12-SP2-2020-334
SUSE Linux Enterprise Server 12 SP3-BCL
SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-SLE-SERVER-12-SP3-BCL-2019-3297
SUSE-SLE-SERVER-12-SP3-BCL-2020-1630
SUSE Linux Enterprise Server 12 SP3-ESPOS
SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3297
SUSE-SLE-SERVER-12-SP3-ESPOS-2020-1630
SUSE Linux Enterprise Server 12 SP3-LTSS
SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-SLE-SERVER-12-SP3-2019-3297
SUSE-SLE-SERVER-12-SP3-2020-1630
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • xen >= 4.11.3_02-2.20.1
  • xen-doc-html >= 4.11.3_02-2.20.1
  • xen-libs >= 4.11.3_02-2.20.1
  • xen-libs-32bit >= 4.11.3_02-2.20.1
  • xen-tools >= 4.11.3_02-2.20.1
  • xen-tools-domU >= 4.11.3_02-2.20.1
 Patchnames:
SUSE-SLE-SERVER-12-SP4-2019-3310
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • xen >= 4.5.5_28-22.64.1
  • xen-doc-html >= 4.5.5_28-22.64.1
  • xen-kmp-default >= 4.5.5_28_k3.12.74_60.64.124-22.64.1
  • xen-libs >= 4.5.5_28-22.64.1
  • xen-libs-32bit >= 4.5.5_28-22.64.1
  • xen-tools >= 4.5.5_28-22.64.1
  • xen-tools-domU >= 4.5.5_28-22.64.1
 Patchnames:
SUSE-SLE-SAP-12-SP1-2020-388
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-SLE-SAP-12-SP2-2020-334
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-SLE-SAP-12-SP3-2019-3297
SUSE-SLE-SAP-12-SP3-2020-1630
SUSE Linux Enterprise Software Development Kit 12 SP4
  • xen >= 4.11.3_02-2.20.1
  • xen-devel >= 4.11.3_02-2.20.1
 Patchnames:
SUSE-SLE-SDK-12-SP4-2019-3310
SUSE OpenStack Cloud 7
  • xen >= 4.7.6_06-43.59.1
  • xen-doc-html >= 4.7.6_06-43.59.1
  • xen-libs >= 4.7.6_06-43.59.1
  • xen-libs-32bit >= 4.7.6_06-43.59.1
  • xen-tools >= 4.7.6_06-43.59.1
  • xen-tools-domU >= 4.7.6_06-43.59.1
 Patchnames:
SUSE-OpenStack-Cloud-7-2020-334
SUSE OpenStack Cloud 8
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-OpenStack-Cloud-8-2019-3297
SUSE-OpenStack-Cloud-8-2020-1630
SUSE OpenStack Cloud Crowbar 8
  • xen >= 4.9.4_06-3.62.1
  • xen-doc-html >= 4.9.4_06-3.62.1
  • xen-libs >= 4.9.4_06-3.62.1
  • xen-libs-32bit >= 4.9.4_06-3.62.1
  • xen-tools >= 4.9.4_06-3.62.1
  • xen-tools-domU >= 4.9.4_06-3.62.1
 Patchnames:
SUSE-OpenStack-Cloud-Crowbar-8-2019-3297
SUSE-OpenStack-Cloud-Crowbar-8-2020-1630
openSUSE Leap 15.1
  • xen >= 4.12.1_06-lp151.2.9.1
  • xen-debugsource >= 4.12.1_06-lp151.2.9.1
  • xen-devel >= 4.12.1_06-lp151.2.9.1
  • xen-doc-html >= 4.12.1_06-lp151.2.9.1
  • xen-libs >= 4.12.1_06-lp151.2.9.1
  • xen-libs-32bit >= 4.12.1_06-lp151.2.9.1
  • xen-libs-32bit-debuginfo >= 4.12.1_06-lp151.2.9.1
  • xen-libs-debuginfo >= 4.12.1_06-lp151.2.9.1
  • xen-tools >= 4.12.1_06-lp151.2.9.1
  • xen-tools-debuginfo >= 4.12.1_06-lp151.2.9.1
  • xen-tools-domU >= 4.12.1_06-lp151.2.9.1
  • xen-tools-domU-debuginfo >= 4.12.1_06-lp151.2.9.1
 Patchnames:
openSUSE-2020-11

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
SUSE CaaS Platform 3.0 xen Released
SUSE Linux Enterprise 15 Module for Basesystem xen Released
SUSE Linux Enterprise 15 Module for Server Applications xen Released
SUSE Linux Enterprise 15-SP1 Module for Basesystem xen Released
SUSE Linux Enterprise 15-SP1 Module for Server Applications 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 12 SP5 xen Released
SUSE Linux Enterprise Server 11 SP4 LTSS xen Released
SUSE Linux Enterprise Server 12 SP1 LTSS xen Released
SUSE Linux Enterprise Server 12 SP2 LTSS xen Released
SUSE Linux Enterprise Server 12 SP3 BCL xen Released
SUSE Linux Enterprise Server 12 SP3 LTSS xen Released
SUSE Linux Enterprise Server 12 SP4 xen Released
SUSE Linux Enterprise Server 12 SP5 xen Released
SUSE Linux Enterprise Server for SAP Applications 12 SP2 xen Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 xen Released
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 Software Development Kit 12 SP4 xen Released
SUSE Linux Enterprise Software Development Kit 12 SP5 xen Released