Upstream information

CVE-2016-6259 at MITRE

Description

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

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 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
Base Score 6.2
Vector AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Local
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
SUSE Bugzilla entries: 988676 [RESOLVED / FIXED], 988694 [RESOLVED / DUPLICATE]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP1
  • xen >= 4.5.3_10-20.1
  • xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1
  • xen-libs >= 4.5.3_10-20.1
  • xen-libs-32bit >= 4.5.3_10-20.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP1-2016-1238
SUSE-SLE-DESKTOP-12-SP1-2016-1444
SUSE Linux Enterprise Desktop 12 SP2
  • xen >= 4.7.0_12-23.4
  • xen-libs >= 4.7.0_12-23.4
  • xen-libs-32bit >= 4.7.0_12-23.4
Patchnames:
SUSE Linux Enterprise Desktop 12 SP2 GA xen
SUSE Linux Enterprise Desktop 12 SP3
  • xen >= 4.9.0_08-2.2
  • xen-libs >= 4.9.0_08-2.2
  • xen-libs-32bit >= 4.9.0_08-2.2
Patchnames:
SUSE Linux Enterprise Desktop 12 SP3 GA xen
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 Server 12 SP1
  • xen >= 4.5.3_10-20.1
  • xen-doc-html >= 4.5.3_10-20.1
  • xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1
  • xen-libs >= 4.5.3_10-20.1
  • xen-libs-32bit >= 4.5.3_10-20.1
  • xen-tools >= 4.5.3_10-20.1
  • xen-tools-domU >= 4.5.3_10-20.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2016-1238
SUSE-SLE-SERVER-12-SP1-2016-1444
SUSE Linux Enterprise Server 12 SP2
  • xen >= 4.7.0_12-23.4
  • xen-doc-html >= 4.7.0_12-23.4
  • xen-libs >= 4.7.0_12-23.4
  • xen-libs-32bit >= 4.7.0_12-23.4
  • xen-tools >= 4.7.0_12-23.4
  • xen-tools-domU >= 4.7.0_12-23.4
Patchnames:
SUSE Linux Enterprise Server 12 SP2 GA xen
SUSE Linux Enterprise Server 12 SP3
  • xen >= 4.9.0_08-2.2
  • xen-doc-html >= 4.9.0_08-2.2
  • xen-libs >= 4.9.0_08-2.2
  • xen-libs-32bit >= 4.9.0_08-2.2
  • xen-tools >= 4.9.0_08-2.2
  • xen-tools-domU >= 4.9.0_08-2.2
Patchnames:
SUSE Linux Enterprise Server 12 SP3 GA xen
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • xen >= 4.5.3_10-20.1
  • xen-doc-html >= 4.5.3_10-20.1
  • xen-kmp-default >= 4.5.3_10_k3.12.62_60.62-20.1
  • xen-libs >= 4.5.3_10-20.1
  • xen-libs-32bit >= 4.5.3_10-20.1
  • xen-tools >= 4.5.3_10-20.1
  • xen-tools-domU >= 4.5.3_10-20.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2016-1238
SUSE-SLE-SERVER-12-SP1-2016-1444
SUSE Linux Enterprise Software Development Kit 12 SP1
  • xen >= 4.5.3_10-20.1
  • xen-devel >= 4.5.3_10-20.1
Patchnames:
SUSE-SLE-SDK-12-SP1-2016-1238
SUSE-SLE-SDK-12-SP1-2016-1444
SUSE Linux Enterprise Software Development Kit 12 SP2
  • xen-devel >= 4.7.0_12-23.4
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP2 GA xen-devel
SUSE Linux Enterprise Software Development Kit 12 SP3
  • xen-devel >= 4.9.0_08-2.2
Patchnames:
SUSE Linux Enterprise Software Development Kit 12 SP3 GA xen-devel
openSUSE Leap 15.0
  • xen-libs >= 4.10.0_20-lp150.1.2
Patchnames:
openSUSE Leap 15.0 GA xen-libs
openSUSE Leap 42.1
  • xen >= 4.5.3_10-15.2
  • xen-debugsource >= 4.5.3_10-15.2
  • xen-devel >= 4.5.3_10-15.2
  • xen-doc-html >= 4.5.3_10-15.2
  • xen-kmp-default >= 4.5.3_10_k4.1.31_30-15.2
  • xen-kmp-default-debuginfo >= 4.5.3_10_k4.1.31_30-15.2
  • xen-libs >= 4.5.3_10-15.2
  • xen-libs-32bit >= 4.5.3_10-15.2
  • xen-libs-debuginfo >= 4.5.3_10-15.2
  • xen-libs-debuginfo-32bit >= 4.5.3_10-15.2
  • xen-tools >= 4.5.3_10-15.2
  • xen-tools-debuginfo >= 4.5.3_10-15.2
  • xen-tools-domU >= 4.5.3_10-15.2
  • xen-tools-domU-debuginfo >= 4.5.3_10-15.2
Patchnames:
openSUSE-2016-1170
openSUSE Leap 42.2
  • xen >= 4.7.0_12-1.6
  • xen-doc-html >= 4.7.0_12-1.6
  • xen-libs >= 4.7.0_12-1.6
  • xen-tools >= 4.7.0_12-1.6
  • xen-tools-domU >= 4.7.0_12-1.6
Patchnames:
openSUSE Leap 42.2 GA xen
openSUSE Leap 42.3
  • xen >= 4.9.0_08-2.1
  • xen-doc-html >= 4.9.0_08-2.1
  • xen-libs >= 4.9.0_08-2.1
  • xen-tools >= 4.9.0_08-2.1
  • xen-tools-domU >= 4.9.0_08-2.1
Patchnames:
openSUSE Leap 42.3 GA xen
openSUSE Tumbleweed
  • xen >= 4.7.0_12-1.3
  • xen-devel >= 4.7.0_12-1.3
  • xen-doc-html >= 4.7.0_12-1.3
  • xen-libs >= 4.7.0_12-1.3
  • xen-libs-32bit >= 4.7.0_12-1.3
  • xen-tools >= 4.7.0_12-1.3
  • xen-tools-domU >= 4.7.0_12-1.3
Patchnames:
openSUSE Tumbleweed GA xen


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 Linux Enterprise Desktop 12 GA xen Not affected
SUSE Linux Enterprise Desktop 12 SP1 xen Released
SUSE Linux Enterprise SDK 11 SP4 xen Not affected
SUSE Linux Enterprise SDK 12 GA xen Not affected
SUSE Linux Enterprise SDK 12 SP1 xen Released
SUSE Linux Enterprise Server 10 SP4 LTSS xen Not affected
SUSE Linux Enterprise Server 11 SP2 LTSS xen Not affected
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 xen Not affected
SUSE Linux Enterprise Server 12 SP1 xen Released