Upstream information

CVE-2018-12904 at MITRE

Description

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.

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 4.4
Vector AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 4.9 8.8
Vector CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Access Vector Local Local
Access Complexity High Low
Privileges Required None Low
User Interaction None None
Scope Unchanged Changed
Confidentiality Impact Low High
Integrity Impact Low High
Availability Impact Low High
CVSSv3 Version 3 3
SUSE Bugzilla entries: 1087082 [RESOLVED / FIXED], 1099183 [RESOLVED / FIXED], 1099258 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Module for Live Patching 15
  • kernel-livepatch-4_12_14-23-default >= 2-4.1
  • kernel-livepatch-SLE15_Update_0 >= 2-4.1
Patchnames:
SUSE-SLE-Module-Live-Patching-15-2018-1739


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
kvm Analysis
SLES for SAP Applications kernel-source Analysis
SLES for SAP Applications kvm Analysis
SUSE CaaS Platform 3.0 qemu Analysis
SUSE Container as a Service Platform 1.0 qemu Affected
SUSE Container as a Service Platform 2.0 qemu Analysis
SUSE Linux Enterprise 15 Module for Basesystem kernel-source Released
SUSE Linux Enterprise 15 Module for Basesystem qemu Analysis
SUSE Linux Enterprise 15 Module for Development Tools kernel-source Released
SUSE Linux Enterprise 15 Module for Server Applications qemu Analysis
SUSE Linux Enterprise 15-SP1 Module for Basesystem kernel-source Analysis
SUSE Linux Enterprise 15-SP1 Module for Development Tools kernel-source Analysis
SUSE Linux Enterprise Desktop 11 kvm Analysis
SUSE Linux Enterprise Desktop 11 SP1 kvm Analysis
SUSE Linux Enterprise Desktop 11 SP2 kvm Analysis
SUSE Linux Enterprise Desktop 11 SP3 kvm Analysis
SUSE Linux Enterprise Desktop 11 SP4 kvm Analysis
SUSE Linux Enterprise Desktop 12 qemu Analysis
SUSE Linux Enterprise Desktop 12 SP1 qemu Analysis
SUSE Linux Enterprise Desktop 12 SP2 qemu Affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Released
SUSE Linux Enterprise Desktop 12 SP3 qemu Analysis
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Released
SUSE Linux Enterprise Desktop 12 SP4 qemu Analysis
SUSE Linux Enterprise Enterprise Server 11 SP1 for SAP Enterprise Search kvm Analysis
SUSE Linux Enterprise High Performance Computing 12 SP2 qemu Analysis
SUSE Linux Enterprise High Performance Computing 12 SP3 kernel-source Released
SUSE Linux Enterprise High Performance Computing 12 SP3 qemu Analysis
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-source Released
SUSE Linux Enterprise High Performance Computing 12 SP4 qemu Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-source Analysis
SUSE Linux Enterprise Point of Service 11 SP2 qemu Analysis
SUSE Linux Enterprise Point of Service 11 SP3 qemu Analysis
SUSE Linux Enterprise Server 11 kvm Analysis
SUSE Linux Enterprise Server 11 SP1 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP1 kvm Analysis
SUSE Linux Enterprise Server 11 SP1 LTSS kvm Analysis
SUSE Linux Enterprise Server 11 SP2 kvm Analysis
SUSE Linux Enterprise Server 11 SP2 LTSS kvm Analysis
SUSE Linux Enterprise Server 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 kvm Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 LTSS kvm Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kvm Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kvm Analysis
SUSE Linux Enterprise Server 12 qemu Analysis
SUSE Linux Enterprise Server 12 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 LTSS qemu Analysis
SUSE Linux Enterprise Server 12 SP1 qemu Analysis
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP1 LTSS qemu Analysis
SUSE Linux Enterprise Server 12 SP2 qemu Analysis
SUSE Linux Enterprise Server 12 SP2 BCL kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 BCL qemu Affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS qemu Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-source Released
SUSE Linux Enterprise Server 12 SP3 qemu Analysis
SUSE Linux Enterprise Server 12 SP3 BCL kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-source Released
SUSE Linux Enterprise Server 12 SP4 qemu Analysis
SUSE Linux Enterprise Server 12 SP5 kernel-source Analysis
SUSE Linux Enterprise Server 15 LTSS kernel-source Analysis
SUSE Linux Enterprise Server ESPOS 15 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP2 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 qemu Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Business All-in-One kvm Analysis
SUSE Linux Enterprise Server for the Raspberry Pi qemu Analysis
SUSE Linux Enterprise Software Development Kit 11 qemu Analysis
SUSE Linux Enterprise Software Development Kit 11 SP1 qemu Analysis
SUSE Linux Enterprise Software Development Kit 11 SP2 qemu Analysis
SUSE Linux Enterprise Software Development Kit 11 SP3 qemu Analysis
SUSE Linux Enterprise Software Development Kit 11 SP4 qemu Analysis
SUSE Studio Extension for System z 1.2 kvm Analysis
SUSE Studio Onsite qemu Analysis