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 SUSE
Base Score 7.8 7
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector Local Local
Access Complexity Low High
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3 3.1
SUSE Bugzilla entries: 1143048 [REOPENED], 1156331 [RESOLVED / FIXED]

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 Live Patching 12 SP4
  • kgraft-patch-4_12_14-94_41-default >= 9-2.25.1
  • kgraft-patch-4_12_14-95_3-default >= 8-2.5
  • kgraft-patch-SLE12-SP4_Update_0 >= 9-2.25.1
  • kgraft-patch-SLE12-SP4_Update_1 >= 8-2.5
Patchnames:
SUSE-SLE-Live-Patching-12-SP4-2019-3252
SUSE-SLE-Live-Patching-12-SP4-2019-3253
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
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 12 SP2-ESPOS
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_101-default >= 7-2.5
  • kgraft-patch-4_4_121-92_104-default >= 7-2.5
  • kgraft-patch-4_4_121-92_109-default >= 7-2.5
  • kgraft-patch-4_4_121-92_114-default >= 6-2.1
  • kgraft-patch-4_4_121-92_117-default >= 5-2.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_27 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_28 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_29 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_30 >= 6-2.1
  • kgraft-patch-SLE12-SP2_Update_31 >= 5-2.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-2299
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-3232
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-3259
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-3260
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-3261
SUSE-SLE-SERVER-12-SP2-ESPOS-2019-3262
SUSE Linux Enterprise Server 12 SP2-LTSS
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_101-default >= 7-2.5
  • kgraft-patch-4_4_121-92_104-default >= 7-2.5
  • kgraft-patch-4_4_121-92_109-default >= 7-2.5
  • kgraft-patch-4_4_121-92_114-default >= 6-2.1
  • kgraft-patch-4_4_121-92_117-default >= 5-2.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_27 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_28 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_29 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_30 >= 6-2.1
  • kgraft-patch-SLE12-SP2_Update_31 >= 5-2.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP2-2019-2299
SUSE-SLE-SERVER-12-SP2-2019-3232
SUSE-SLE-SERVER-12-SP2-2019-3259
SUSE-SLE-SERVER-12-SP2-2019-3260
SUSE-SLE-SERVER-12-SP2-2019-3261
SUSE-SLE-SERVER-12-SP2-2019-3262
SUSE Linux Enterprise Server 12 SP3-BCL
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 12 SP3-ESPOS
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_175-94_79-default >= 7-2.5
  • kgraft-patch-4_4_176-94_88-default >= 6-2.5
  • kgraft-patch-4_4_178-94_91-default >= 6-2.5
  • kgraft-patch-4_4_180-94_100-default >= 4-2.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-4_4_180-94_97-default >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_23 >= 7-2.5
  • kgraft-patch-SLE12-SP3_Update_24 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_25 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_26 >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_27 >= 4-2.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-2263
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3228
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3229
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3256
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3257
SUSE-SLE-SERVER-12-SP3-ESPOS-2019-3258
SUSE Linux Enterprise Server 12 SP3-LTSS
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_175-94_79-default >= 7-2.5
  • kgraft-patch-4_4_176-94_88-default >= 6-2.5
  • kgraft-patch-4_4_178-94_91-default >= 6-2.5
  • kgraft-patch-4_4_180-94_100-default >= 4-2.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-4_4_180-94_97-default >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_23 >= 7-2.5
  • kgraft-patch-SLE12-SP3_Update_24 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_25 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_26 >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_27 >= 4-2.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SERVER-12-SP3-2019-2263
SUSE-SLE-SERVER-12-SP3-2019-3228
SUSE-SLE-SERVER-12-SP3-2019-3229
SUSE-SLE-SERVER-12-SP3-2019-3256
SUSE-SLE-SERVER-12-SP3-2019-3257
SUSE-SLE-SERVER-12-SP3-2019-3258
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_101-default >= 7-2.5
  • kgraft-patch-4_4_121-92_104-default >= 7-2.5
  • kgraft-patch-4_4_121-92_109-default >= 7-2.5
  • kgraft-patch-4_4_121-92_114-default >= 6-2.1
  • kgraft-patch-4_4_121-92_117-default >= 5-2.1
  • kgraft-patch-4_4_121-92_120-default >= 1-3.3.1
  • kgraft-patch-SLE12-SP2_Update_27 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_28 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_29 >= 7-2.5
  • kgraft-patch-SLE12-SP2_Update_30 >= 6-2.1
  • kgraft-patch-SLE12-SP2_Update_31 >= 5-2.1
  • kgraft-patch-SLE12-SP2_Update_32 >= 1-3.3.1
Patchnames:
SUSE-SLE-SAP-12-SP2-2019-2299
SUSE-SLE-SAP-12-SP2-2019-3232
SUSE-SLE-SAP-12-SP2-2019-3259
SUSE-SLE-SAP-12-SP2-2019-3260
SUSE-SLE-SAP-12-SP2-2019-3261
SUSE-SLE-SAP-12-SP2-2019-3262
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_175-94_79-default >= 7-2.5
  • kgraft-patch-4_4_176-94_88-default >= 6-2.5
  • kgraft-patch-4_4_178-94_91-default >= 6-2.5
  • kgraft-patch-4_4_180-94_100-default >= 4-2.1
  • kgraft-patch-4_4_180-94_103-default >= 1-4.3.1
  • kgraft-patch-4_4_180-94_97-default >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_23 >= 7-2.5
  • kgraft-patch-SLE12-SP3_Update_24 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_25 >= 6-2.5
  • kgraft-patch-SLE12-SP3_Update_26 >= 6-2.1
  • kgraft-patch-SLE12-SP3_Update_27 >= 4-2.1
  • kgraft-patch-SLE12-SP3_Update_28 >= 1-4.3.1
Patchnames:
SUSE-SLE-SAP-12-SP3-2019-2263
SUSE-SLE-SAP-12-SP3-2019-3228
SUSE-SLE-SAP-12-SP3-2019-3229
SUSE-SLE-SAP-12-SP3-2019-3256
SUSE-SLE-SAP-12-SP3-2019-3257
SUSE-SLE-SAP-12-SP3-2019-3258
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
SLES for SAP Applications kernel-source Affected
SUSE Linux Enterprise 15 Module for Basesystem kernel-source Already fixed
SUSE Linux Enterprise 15 Module for Development Tools kernel-source Already fixed
SUSE Linux Enterprise 15-SP1 Module for Basesystem kernel-source Already fixed
SUSE Linux Enterprise 15-SP1 Module for Development Tools kernel-source Already fixed
SUSE Linux Enterprise Desktop 11 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 SP4 kernel-source Already fixed
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 Live Patching kgraft-patch-SLE12-SP4_Update_0 Released
SUSE Linux Enterprise Server 11 SP1 kernel-source Affected
SUSE Linux Enterprise Server 11 SP3 kernel-source Affected
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 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 BCL kernel-source Analysis
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 BCL kernel-source Released
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Released
SUSE Linux Enterprise Server 12 SP4 kernel-source Already fixed
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 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
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Analysis