CVE-2019-19807

Upstream information

CVE-2019-19807 at MITRE

Description

In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4.9
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

CVSS v3 Scores

	National Vulnerability Database
Base Score	5.5
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector	Local
Access Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1159281 [RESOLVED / UPSTREAM]

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 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 >= 5.3.18-22.3 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 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 >= 5.3.18-22.2
SUSE Linux Enterprise Module for Legacy 15 SP3	reiserfs-kmp-default >= 5.3.18-57.3
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 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 Workstation Extension 15 SP2	kernel-default-extra >= 5.3.18-22.2

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First public cloud image revisions this CVE is fixed in:

• 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 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 High Performance Computing 15 LTSS	kernel-default	Not affected
SUSE Linux Enterprise High Performance Computing 15 LTSS	kernel-source	Not affected
SUSE Linux Enterprise Module for Basesystem 15	kernel-default	Not affected
SUSE Linux Enterprise Module for Basesystem 15	kernel-source	Not affected
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	Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP2	kernel-source	Already fixed
SUSE Linux Enterprise Module for Development Tools 15	kernel-default	Not affected
SUSE Linux Enterprise Module for Development Tools 15	kernel-source	Not affected
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	Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP2	kernel-source	Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP2	kernel-source-azure	Already fixed
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 SP1 LTSS	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP1 LTSS	kernel-source	Not affected
SUSE Linux Enterprise Server 12 SP2	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP2	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	kernel-default	Not affected
SUSE Linux Enterprise Server 12 SP4	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