CVE-2020-24490

Upstream information

CVE-2020-24490 at MITRE

Description

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	3.3
Vector	AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector	Adjacent Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	6.5	8.8
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector	Adjacent Network	Adjacent Network
Access Complexity	Low	Low
Privileges Required	None	None
User Interaction	None	None
Scope	Unchanged	Unchanged
Confidentiality Impact	None	High
Integrity Impact	None	High
Availability Impact	High	High
CVSSv3 Version	3.1	3.1

Note from the SUSE Security Team

This was already fixed in the September 2020 kernel updates. SUSE Linux Enterprise Server 15 SP2 kernel update notice. Older versions than SUSE Linux Enterprise 15 SP2 are not affected.

SUSE Bugzilla entries: 1177726 [RESOLVED / FIXED], 1177727 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-IU-2020:114-1, published Fri Dec 11 04:04:42 MST 2020
• SUSE-IU-2020:115-1, published Fri Dec 11 04:05:54 MST 2020
• SUSE-IU-2020:116-1, published Fri Dec 11 04:07:03 MST 2020
• SUSE-SU-2020:2980-1, published Wed Oct 21 10:24:03 MDT 2020
• SUSE-SU-2020:3389-1, published Thu Nov 19 07:24:02 MST 2020
• SUSE-SU-2020:3491-1, published Mon Nov 23 13:17:25 MST 2020
• SUSE-SU-2020:3522-1, published Wed Nov 25 10:17:39 MST 2020
• TID000019735, published Thu Oct 15 18:36:42 CEST 2020
• openSUSE-SU-2020:1698-1, published Tue, 20 Oct 2020 00:18:16 +0200 (CEST)
• openSUSE-SU-2020:2112-1, published Tue Feb 16 10:57:22 2021
• openSUSE-SU-2021:0242-1, published Tue Feb 16 10:27:50 2021

List of released packages

Product(s)	Fixed package version(s)	References
Image SLES15-SP2-CHOST-BYOS-Aliyun Image SLES15-SP2-CHOST-BYOS-Azure Image SLES15-SP2-CHOST-BYOS-EC2 Image SLES15-SP2-CHOST-BYOS-GCE	kernel-default >= 5.3.18-24.29.2
SUSE Linux Enterprise High Availability 15 SP2	cluster-md-kmp-default >= 5.3.18-24.29.2 dlm-kmp-default >= 5.3.18-24.29.2 gfs2-kmp-default >= 5.3.18-24.29.2 ocfs2-kmp-default >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Product-HA-15-SP2-2020-2980
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-default >= 5.3.18-24.29.2 kernel-default-base >= 5.3.18-24.29.2.9.9.3 kernel-default-devel >= 5.3.18-24.29.2 kernel-devel >= 5.3.18-24.29.2 kernel-macros >= 5.3.18-24.29.2 kernel-preempt >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Module-Basesystem-15-SP2-2020-2980
SUSE Linux Enterprise Module for Basesystem 15 SP3	kernel-64kb >= 5.3.18-57.3 kernel-64kb-devel >= 5.3.18-57.3 kernel-default >= 5.3.18-57.3 kernel-default-devel >= 5.3.18-57.3 kernel-devel >= 5.3.18-57.3 kernel-macros >= 5.3.18-57.3 kernel-preempt >= 5.3.18-57.3 kernel-zfcpdump >= 5.3.18-57.3
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-docs >= 5.3.18-24.29.2 kernel-obs-build >= 5.3.18-24.29.2 kernel-preempt-devel >= 5.3.18-24.29.2 kernel-source >= 5.3.18-24.29.2 kernel-syms >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Module-Development-Tools-15-SP2-2020-2980
SUSE Linux Enterprise Module for Development Tools 15 SP3	kernel-docs >= 5.3.18-57.3 kernel-obs-build >= 5.3.18-57.3 kernel-preempt-devel >= 5.3.18-57.3 kernel-source >= 5.3.18-57.3 kernel-syms >= 5.3.18-57.1
SUSE Linux Enterprise Module for Legacy 15 SP2	reiserfs-kmp-default >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Module-Legacy-15-SP2-2020-2980
SUSE Linux Enterprise Module for Legacy 15 SP3	reiserfs-kmp-default >= 5.3.18-57.3
SUSE Linux Enterprise Module for Live Patching 15 SP2	kernel-default-livepatch >= 5.3.18-24.29.2 kernel-default-livepatch-devel >= 5.3.18-24.29.2 kernel-livepatch-5_3_18-22-default >= 4-11.2 kernel-livepatch-5_3_18-24_29-default >= 1-5.3.3 kernel-livepatch-5_3_18-24_9-default >= 4-2.1	Patchnames: SUSE-SLE-Module-Live-Patching-15-SP2-2020-2980 SUSE-SLE-Module-Live-Patching-15-SP2-2020-3389 SUSE-SLE-Module-Live-Patching-15-SP2-2020-3390
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2	cluster-md-kmp-azure >= 5.3.18-18.24.1 cluster-md-kmp-preempt >= 5.3.18-24.29.2 dlm-kmp-azure >= 5.3.18-18.24.1 dlm-kmp-preempt >= 5.3.18-24.29.2 gfs2-kmp-azure >= 5.3.18-18.24.1 gfs2-kmp-preempt >= 5.3.18-24.29.2 kernel-azure-extra >= 5.3.18-18.24.1 kernel-azure-livepatch-devel >= 5.3.18-18.24.1 kernel-debug >= 5.3.18-24.29.2 kernel-debug-devel >= 5.3.18-24.29.2 kernel-debug-livepatch-devel >= 5.3.18-24.29.2 kernel-default-base-rebuild >= 5.3.18-24.29.2.9.9.3 kernel-default-livepatch >= 5.3.18-24.29.2 kernel-docs-html >= 5.3.18-24.29.2 kernel-kvmsmall >= 5.3.18-24.29.2 kernel-kvmsmall-devel >= 5.3.18-24.29.2 kernel-kvmsmall-livepatch-devel >= 5.3.18-24.29.2 kernel-livepatch-5_3_18-22-preempt >= 4-11.2 kernel-obs-qa >= 5.3.18-24.29.2 kernel-preempt-extra >= 5.3.18-24.29.2 kernel-preempt-livepatch-devel >= 5.3.18-24.29.2 kernel-source-vanilla >= 5.3.18-24.29.2 kselftests-kmp-azure >= 5.3.18-18.24.1 kselftests-kmp-default >= 5.3.18-24.29.2 kselftests-kmp-preempt >= 5.3.18-24.29.2 ocfs2-kmp-azure >= 5.3.18-18.24.1 ocfs2-kmp-preempt >= 5.3.18-24.29.2 reiserfs-kmp-azure >= 5.3.18-18.24.1 reiserfs-kmp-preempt >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-2980 SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-3390 SUSE-SLE-Module-Development-Tools-OBS-15-SP2-2020-3491
SUSE Linux Enterprise Module for Public Cloud 15 SP2	kernel-azure >= 5.3.18-18.24.1 kernel-azure-devel >= 5.3.18-18.24.1 kernel-devel-azure >= 5.3.18-18.24.1 kernel-source-azure >= 5.3.18-18.24.1 kernel-syms-azure >= 5.3.18-18.24.1	Patchnames: SUSE-SLE-Module-Public-Cloud-15-SP2-2020-3491
SUSE Linux Enterprise Module for Public Cloud 15 SP3	kernel-azure >= 5.3.18-36.1 kernel-azure-devel >= 5.3.18-36.1 kernel-devel-azure >= 5.3.18-36.1 kernel-source-azure >= 5.3.18-36.1 kernel-syms-azure >= 5.3.18-36.1
SUSE Linux Enterprise Module for Realtime packages 15 SP2	cluster-md-kmp-rt >= 5.3.18-16.1 dlm-kmp-rt >= 5.3.18-16.1 gfs2-kmp-rt >= 5.3.18-16.1 kernel-devel-rt >= 5.3.18-16.1 kernel-rt >= 5.3.18-16.1 kernel-rt-devel >= 5.3.18-16.1 kernel-rt_debug-devel >= 5.3.18-16.1 kernel-source-rt >= 5.3.18-16.1 kernel-syms-rt >= 5.3.18-16.1 ocfs2-kmp-rt >= 5.3.18-16.1	Patchnames: SUSE-SLE-Module-RT-15-SP2-2020-3522
SUSE Linux Enterprise Module for Server Applications 15 SP3	sca-patterns-sle15 >= 1.0.1-12.1
SUSE Linux Enterprise Workstation Extension 15 SP2	kernel-default-extra >= 5.3.18-24.29.2	Patchnames: SUSE-SLE-Product-WE-15-SP2-2020-2980
openSUSE Leap 15.2	cluster-md-kmp-rt >= 5.3.18-lp152.3.5.1 cluster-md-kmp-rt_debug >= 5.3.18-lp152.3.5.1 dlm-kmp-rt >= 5.3.18-lp152.3.5.1 dlm-kmp-rt_debug >= 5.3.18-lp152.3.5.1 gfs2-kmp-rt >= 5.3.18-lp152.3.5.1 gfs2-kmp-rt_debug >= 5.3.18-lp152.3.5.1 kernel-debug >= 5.3.18-lp152.47.2 kernel-debug-devel >= 5.3.18-lp152.47.2 kernel-default >= 5.3.18-lp152.47.2 kernel-default-base >= 5.3.18-lp152.50.1.lp152.8.10.1 kernel-default-base-rebuild >= 5.3.18-lp152.50.1.lp152.8.10.1 kernel-default-devel >= 5.3.18-lp152.47.2 kernel-devel >= 5.3.18-lp152.47.2 kernel-devel-rt >= 5.3.18-lp152.3.5.1 kernel-docs >= 5.3.18-lp152.47.1 kernel-docs-html >= 5.3.18-lp152.47.1 kernel-kvmsmall >= 5.3.18-lp152.47.2 kernel-kvmsmall-devel >= 5.3.18-lp152.47.2 kernel-macros >= 5.3.18-lp152.47.2 kernel-obs-build >= 5.3.18-lp152.47.2 kernel-obs-qa >= 5.3.18-lp152.47.1 kernel-preempt >= 5.3.18-lp152.47.2 kernel-preempt-devel >= 5.3.18-lp152.47.2 kernel-rt >= 5.3.18-lp152.3.5.1 kernel-rt-devel >= 5.3.18-lp152.3.5.1 kernel-rt-extra >= 5.3.18-lp152.3.5.1 kernel-rt_debug >= 5.3.18-lp152.3.5.1 kernel-rt_debug-devel >= 5.3.18-lp152.3.5.1 kernel-rt_debug-extra >= 5.3.18-lp152.3.5.1 kernel-source >= 5.3.18-lp152.47.2 kernel-source-rt >= 5.3.18-lp152.3.5.1 kernel-source-vanilla >= 5.3.18-lp152.47.2 kernel-syms >= 5.3.18-lp152.47.1 kernel-syms-rt >= 5.3.18-lp152.3.5.1 kselftests-kmp-rt >= 5.3.18-lp152.3.5.1 kselftests-kmp-rt_debug >= 5.3.18-lp152.3.5.1 ocfs2-kmp-rt >= 5.3.18-lp152.3.5.1 ocfs2-kmp-rt_debug >= 5.3.18-lp152.3.5.1 reiserfs-kmp-rt >= 5.3.18-lp152.3.5.1 reiserfs-kmp-rt_debug >= 5.3.18-lp152.3.5.1	Patchnames: openSUSE-2020-1698 openSUSE-2020-2112 openSUSE-2021-242

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First public cloud image revisions this CVE is fixed in:

• alibaba/sles-15-sp2-chost-byos-v20210202
• alibaba/sles-15-sp2-chost-byos-v20210304
• alibaba/sles-15-sp3-chost-byos-v20210729
• alibaba/sles-15-sp3-chost-byos-v20210827
• amazon/suse-manager-4-2-proxy-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-manager-4-2-server-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-byos-v20210924-hvm-ssd-arm64
• amazon/suse-sles-15-sp3-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-chost-byos-v20210729-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-chost-byos-v20210827-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-v20210924-ecs-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-v20210924-hvm-ssd-arm64
• amazon/suse-sles-15-sp3-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-hpc-15-sp3-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-sap-15-sp3-byos-v20210924-hvm-ssd-x86_64
• google/sles-15-sp3-byos-v20210812
• google/sles-15-sp3-chost-byos-v20210729
• google/sles-15-sp3-chost-byos-v20210827
• google/sles-15-sp3-sap-byos-v20210812
• google/sles-15-sp3-sap-v20210812
• google/sles-15-sp3-sapcal-v20210812
• google/sles-15-sp3-v20210812
• google/suse-manager-4-2-proxy-byos-v20210812
• google/suse-manager-4-2-server-byos-v20210812
• microsoft/suse-manager-4-2-proxy-byos-v20210924
• microsoft/suse-manager-4-2-server-byos-v20210924
• microsoft/suse-sles-15-sp3-basic-v20210924
• microsoft/suse-sles-15-sp3-byos-v20210924
• microsoft/suse-sles-15-sp3-chost-byos-v20210729
• microsoft/suse-sles-15-sp3-chost-byos-v20210827
• microsoft/suse-sles-15-sp3-hpc-byos-v20210924
• microsoft/suse-sles-15-sp3-hpc-v20210924
• microsoft/suse-sles-15-sp3-v20210924
• microsoft/suse-sles-sap-15-sp3-byos-v20210924
• microsoft/suse-sles-sap-15-sp3-v20210924

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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
HPE Helion OpenStack 8	kernel-default	Not affected
HPE Helion OpenStack 8	kernel-source	Not affected
SUSE Enterprise Storage 5	kernel-default	Not affected
SUSE Enterprise Storage 5	kernel-source	Not affected
SUSE Linux Enterprise High Availability Extension 15 SP2	kernel-default	Released
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 High Performance Computing 15 LTSS	kernel-default	Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS	kernel-source	Not affected
SUSE Linux Enterprise Live Patching 15 SP2	kernel-default	Released
SUSE Linux Enterprise Live Patching 15 SP2	kernel-livepatch-SLE15-SP2_Update_0	Released
SUSE Linux Enterprise Live Patching 15 SP2	kernel-livepatch-SLE15-SP2_Update_1	In progress
SUSE Linux Enterprise Live Patching 15 SP2	kernel-livepatch-SLE15-SP2_Update_5	Released
SUSE Linux Enterprise Module for Basesystem 15 SP1	kernel-default	Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1	kernel-source	Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-default	Released
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-default-base	Released
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-preempt	Released
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-source	Released
SUSE Linux Enterprise Module for Development Tools 15 SP1	kernel-default	Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP1	kernel-source	Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-default	Released
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-docs	Released
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-obs-build	Released
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-preempt	Released
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-source	Released
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-syms	Released
SUSE Linux Enterprise Module for Public Cloud 15 SP2	kernel-azure	Released
SUSE Linux Enterprise Module for Public Cloud 15 SP2	kernel-source-azure	Released
SUSE Linux Enterprise Module for Public Cloud 15 SP2	kernel-syms-azure	Released
SUSE Linux Enterprise Point of Service 11 SP3	kernel-default	Not affected
SUSE Linux Enterprise Point of Service 11 SP3	kernel-source	Not affected
SUSE Linux Enterprise Point of Service Image Server 12 SP2	kernel-default	Not affected
SUSE Linux Enterprise Point of Service Image Server 12 SP2	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 SP2 ESPOS	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP2 ESPOS	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 ESPOS	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS	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 ESPOS	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP4 ESPOS	kernel-source	Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS	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 15 ESPOS	kernel-default	Not affected
SUSE Linux Enterprise Server 15 ESPOS	kernel-source	Not affected
SUSE Linux Enterprise Server 15 LTSS	kernel-default	Not affected
SUSE Linux Enterprise Server 15 LTSS	kernel-source	Not affected
SUSE Linux Enterprise Server BCL 12 SP2	kernel-default	Not affected
SUSE Linux Enterprise Server BCL 12 SP2	kernel-source	Not affected
SUSE Linux Enterprise Server BCL 12 SP3	kernel-default	Not affected
SUSE Linux Enterprise Server BCL 12 SP3	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
SUSE Linux Enterprise Server for SAP Applications 15	kernel-default	Not affected
SUSE Linux Enterprise Server for SAP Applications 15	kernel-source	Not affected
SUSE OpenStack Cloud 7	kernel-default	Not affected
SUSE OpenStack Cloud 7	kernel-source	Not affected
SUSE OpenStack Cloud 8	kernel-default	Not affected
SUSE OpenStack Cloud 8	kernel-source	Not affected
SUSE OpenStack Cloud 9	kernel-default	Not affected
SUSE OpenStack Cloud 9	kernel-source	Not affected
SUSE OpenStack Cloud Crowbar 8	kernel-default	Not affected
SUSE OpenStack Cloud Crowbar 8	kernel-source	Not affected
SUSE OpenStack Cloud Crowbar 9	kernel-default	Not affected
SUSE OpenStack Cloud Crowbar 9	kernel-source	Not affected
SUSE Real Time Module 15 SP2	kernel-rt	Released
SUSE Real Time Module 15 SP2	kernel-rt_debug	Released
SUSE Real Time Module 15 SP2	kernel-source-rt	Released
SUSE Real Time Module 15 SP2	kernel-syms-rt	Released