Upstream information

CVE-2018-19963 at MITRE

Description

An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.9
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.8 7.8
Vector AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Access Vector Local Local
Access Complexity High High
Privileges Required Low Low
User Interaction None None
Scope Changed Changed
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
SUSE Bugzilla entry: 1115043 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
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 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 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 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 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 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


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