Upstream information

CVE-2018-7540 at MITRE

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

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 4.9
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 6.5
Vector AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Access Vector Local Local
Access Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Changed Changed
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
SUSE Bugzilla entry: 1080635 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE CaaS Platform ALL
  • xen >= 4.9.2_04-3.29.1
  • xen-libs >= 4.9.2_04-3.29.1
  • xen-tools-domU >= 4.9.2_04-3.29.1
Patchnames:
SUSE-CAASP-ALL-2018-828
SUSE Linux Enterprise Desktop 12 SP2
  • xen >= 4.7.5_02-43.27.1
  • xen-libs >= 4.7.5_02-43.27.1
  • xen-libs-32bit >= 4.7.5_02-43.27.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP2-2018-612
SUSE Linux Enterprise Desktop 12 SP3
  • xen >= 4.9.2_04-3.29.1
  • xen-libs >= 4.9.2_04-3.29.1
  • xen-libs-32bit >= 4.9.2_04-3.29.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP3-2018-828
SUSE Linux Enterprise Module for Basesystem 15
  • xen-libs >= 4.10.1_04-1.4
  • xen-tools-domU >= 4.10.1_04-1.4
Patchnames:
SUSE Linux Enterprise Module for Basesystem 15 GA xen-libs
SUSE Linux Enterprise Module for Server Applications 15
  • xen >= 4.10.1_04-1.4
  • xen-devel >= 4.10.1_04-1.4
  • xen-tools >= 4.10.1_04-1.4
Patchnames:
SUSE Linux Enterprise Module for Server Applications 15 GA xen
SUSE Linux Enterprise Point of Sale 11 SP3
  • xen >= 4.2.5_21-45.19.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-libs >= 4.2.5_21-45.19.1
  • xen-tools-domU >= 4.2.5_21-45.19.1
Patchnames:
sleposp3-xen-13511
SUSE Linux Enterprise Server 11 SP3-LTSS
  • xen >= 4.2.5_21-45.19.1
  • xen-doc-html >= 4.2.5_21-45.19.1
  • xen-doc-pdf >= 4.2.5_21-45.19.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-libs >= 4.2.5_21-45.19.1
  • xen-libs-32bit >= 4.2.5_21-45.19.1
  • xen-tools >= 4.2.5_21-45.19.1
  • xen-tools-domU >= 4.2.5_21-45.19.1
Patchnames:
slessp3-xen-13511
SUSE Linux Enterprise Server 12 SP2
  • xen >= 4.7.5_02-43.27.1
  • xen-doc-html >= 4.7.5_02-43.27.1
  • xen-libs >= 4.7.5_02-43.27.1
  • xen-libs-32bit >= 4.7.5_02-43.27.1
  • xen-tools >= 4.7.5_02-43.27.1
  • xen-tools-domU >= 4.7.5_02-43.27.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2018-612
SUSE Linux Enterprise Server 12 SP3
  • xen >= 4.9.2_04-3.29.1
  • xen-doc-html >= 4.9.2_04-3.29.1
  • xen-libs >= 4.9.2_04-3.29.1
  • xen-libs-32bit >= 4.9.2_04-3.29.1
  • xen-tools >= 4.9.2_04-3.29.1
  • xen-tools-domU >= 4.9.2_04-3.29.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-828
SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS
  • xen >= 4.2.5_21-45.19.1
  • xen-doc-html >= 4.2.5_21-45.19.1
  • xen-doc-pdf >= 4.2.5_21-45.19.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.106.14-45.19.1
  • xen-libs >= 4.2.5_21-45.19.1
  • xen-libs-32bit >= 4.2.5_21-45.19.1
  • xen-tools >= 4.2.5_21-45.19.1
  • xen-tools-domU >= 4.2.5_21-45.19.1
Patchnames:
slessp3-xen-13511
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • xen >= 4.7.5_02-43.27.1
  • xen-doc-html >= 4.7.5_02-43.27.1
  • xen-libs >= 4.7.5_02-43.27.1
  • xen-libs-32bit >= 4.7.5_02-43.27.1
  • xen-tools >= 4.7.5_02-43.27.1
  • xen-tools-domU >= 4.7.5_02-43.27.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2018-612
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • xen >= 4.9.2_04-3.29.1
  • xen-doc-html >= 4.9.2_04-3.29.1
  • xen-libs >= 4.9.2_04-3.29.1
  • xen-libs-32bit >= 4.9.2_04-3.29.1
  • xen-tools >= 4.9.2_04-3.29.1
  • xen-tools-domU >= 4.9.2_04-3.29.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2018-828
SUSE Linux Enterprise Software Development Kit 12 SP2
  • xen >= 4.7.5_02-43.27.1
  • xen-devel >= 4.7.5_02-43.27.1
Patchnames:
SUSE-SLE-SDK-12-SP2-2018-612
SUSE Linux Enterprise Software Development Kit 12 SP3
  • xen >= 4.9.2_04-3.29.1
  • xen-devel >= 4.9.2_04-3.29.1
Patchnames:
SUSE-SLE-SDK-12-SP3-2018-828
openSUSE Leap 15.0
  • xen-libs >= 4.10.0_20-lp150.1.2
Patchnames:
openSUSE Leap 15.0 GA xen-libs
openSUSE Leap 42.3
  • xen >= 4.9.2_04-19.2
  • xen-debugsource >= 4.9.2_04-19.2
  • xen-devel >= 4.9.2_04-19.2
  • xen-doc-html >= 4.9.2_04-19.2
  • xen-libs >= 4.9.2_04-19.2
  • xen-libs-debuginfo >= 4.9.2_04-19.2
  • xen-tools >= 4.9.2_04-19.2
  • xen-tools-debuginfo >= 4.9.2_04-19.2
  • xen-tools-domU >= 4.9.2_04-19.2
  • xen-tools-domU-debuginfo >= 4.9.2_04-19.2
Patchnames:
openSUSE-2018-454


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 2.0 xen Released
SUSE Linux Enterprise Desktop 12 SP2 xen Released
SUSE Linux Enterprise Desktop 12 SP3 xen Released
SUSE Linux Enterprise SDK 11 SP4 xen Released
SUSE Linux Enterprise SDK 12 SP2 xen Released
SUSE Linux Enterprise SDK 12 SP3 xen Released
SUSE Linux Enterprise Server 11 SP3 LTSS xen Released
SUSE Linux Enterprise Server 11 SP4 xen Released
SUSE Linux Enterprise Server 12 GA LTSS xen Released
SUSE Linux Enterprise Server 12 SP1 LTSS xen Released
SUSE Linux Enterprise Server 12 SP2 xen Released
SUSE Linux Enterprise Server 12 SP3 xen Released