Upstream information

CVE-2019-3016 at MITRE

Description

In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 1.9
Vector AV:L/AC:M/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 4.7
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Access Vector Local
Access Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1161154 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Basesystem 15 SP2
  • kernel-default >= 5.3.18-22.2
  • kernel-default-devel >= 5.3.18-22.2
  • kernel-devel >= 5.3.18-22.2
  • kernel-macros >= 5.3.18-22.2
  • kernel-preempt >= 5.3.18-22.2
  • kernel-zfcpdump >= 5.3.18-22.2
SUSE Linux Enterprise Module for Development Tools 15 SP2
  • kernel-docs >= 5.3.18-22.3
  • kernel-obs-build >= 5.3.18-22.2
  • kernel-preempt-devel >= 5.3.18-22.2
  • kernel-source >= 5.3.18-22.2
  • kernel-syms >= 5.3.18-22.1
SUSE Linux Enterprise Module for Public Cloud 15 SP2
  • kernel-azure >= 5.3.18-16.2
  • kernel-azure-devel >= 5.3.18-16.2
  • kernel-devel-azure >= 5.3.18-16.1
  • kernel-source-azure >= 5.3.18-16.1
  • kernel-syms-azure >= 5.3.18-16.1
SUSE Linux Enterprise Workstation Extension 15 SP2
  • kernel-default-extra >= 5.3.18-22.2

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 15 Module for Basesystem kernel-default Not affected
SUSE Linux Enterprise 15 Module for Basesystem kernel-source Not affected
SUSE Linux Enterprise 15 Module for Development Tools kernel-default Not affected
SUSE Linux Enterprise 15 Module for Development Tools kernel-source Not affected
SUSE Linux Enterprise 15-SP1 Module for Basesystem kernel-default Not affected
SUSE Linux Enterprise 15-SP1 Module for Basesystem kernel-source Not affected
SUSE Linux Enterprise 15-SP1 Module for Development Tools kernel-default Not affected
SUSE Linux Enterprise 15-SP1 Module for Development Tools kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-default Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4 kernel-default Not affected
SUSE Linux Enterprise Server 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Not affected