Upstream information

CVE-2018-20856 at MITRE

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

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 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.8
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entry: 1143048 [REOPENED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
HPE Helion Openstack 8
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
HPE-Helion-OpenStack-8-2019-2263
SUSE CaaS Platform 3.0
  • kernel-default >= 4.4.180-94.103.1
Patchnames:
SUSE-CAASP-3.0-2019-2263
SUSE Enterprise Storage 4
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-Storage-4-2019-2299
SUSE Enterprise Storage 5
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-Storage-5-2019-2263
SUSE Linux Enterprise High Availability 12 SP2
  • cluster-md-kmp-default >= 4.4.121-92.120.1
  • cluster-network-kmp-default >= 4.4.121-92.120.1
  • dlm-kmp-default >= 4.4.121-92.120.1
  • gfs2-kmp-default >= 4.4.121-92.120.1
  • kernel-default >= 4.4.121-92.120.1
  • ocfs2-kmp-default >= 4.4.121-92.120.1
Patchnames:
SUSE-SLE-HA-12-SP2-2019-2299
SUSE Linux Enterprise High Availability 12 SP3
  • cluster-md-kmp-default >= 4.4.180-94.103.1
  • dlm-kmp-default >= 4.4.180-94.103.1
  • gfs2-kmp-default >= 4.4.180-94.103.1
  • kernel-default >= 4.4.180-94.103.1
  • ocfs2-kmp-default >= 4.4.180-94.103.1
Patchnames:
SUSE-SLE-HA-12-SP3-2019-2263
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-POS-12-SP2-CLIENT-2019-2299
SUSE Linux Enterprise Server 12 SP2-BCL
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2019-2299
SUSE Linux Enterprise Server 12 SP2-ESPOS
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-2299
SUSE Linux Enterprise Server 12 SP2-LTSS
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-default-man >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2019-2299
SUSE Linux Enterprise Server 12 SP3-BCL
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-BCL-2019-2263
SUSE Linux Enterprise Server 12 SP3-ESPOS
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-2263
SUSE Linux Enterprise Server 12 SP3-LTSS
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-default-man >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2019-2263
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SAP-12-SP2-2019-2299
SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-BCL-2019-2299
SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-2299
SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-default-man >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2019-2299
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SAP-12-SP3-2019-2263
SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-BCL-2019-2263
SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-2263
SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-default-man >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2019-2263
SUSE OpenStack Cloud 7
  • kernel-default >= 4.4.121-92.120.1
  • kernel-default-base >= 4.4.121-92.120.1
  • kernel-default-devel >= 4.4.121-92.120.1
  • kernel-default-man >= 4.4.121-92.120.1
  • kernel-devel >= 4.4.121-92.120.1
  • kernel-macros >= 4.4.121-92.120.1
  • kernel-source >= 4.4.121-92.120.1
  • kernel-syms >= 4.4.121-92.120.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-OpenStack-Cloud-7-2019-2299
SUSE OpenStack Cloud 8
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-OpenStack-Cloud-8-2019-2263
SUSE OpenStack Cloud Crowbar 8
  • kernel-default >= 4.4.180-94.103.1
  • kernel-default-base >= 4.4.180-94.103.1
  • kernel-default-devel >= 4.4.180-94.103.1
  • kernel-devel >= 4.4.180-94.103.1
  • kernel-macros >= 4.4.180-94.103.1
  • kernel-source >= 4.4.180-94.103.1
  • kernel-syms >= 4.4.180-94.103.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-OpenStack-Cloud-Crowbar-8-2019-2263


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 Business Critical Linux 12 SP3 kernel-source Released
SUSE Linux Enterprise Desktop 11 GA kernel-source Analysis
SUSE Linux Enterprise Desktop 11 SP1 kernel-source Analysis
SUSE Linux Enterprise Desktop 11 SP2 kernel-source Analysis
SUSE Linux Enterprise Desktop 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Desktop 12 SP5 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP1 kernel-source Already fixed
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 GA LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Released
SUSE Linux Enterprise Server 12 SP3 kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Released
SUSE Linux Enterprise Server 12 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 11 SP3 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 GA kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Already fixed