Upstream information

CVE-2021-38209 at MITRE

Description

net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. This is related to the NF_SYSCTL_CT_MAX, NF_SYSCTL_CT_EXPECT_MAX, and NF_SYSCTL_CT_BUCKETS sysctls.

SUSE information

Overall state of this security issue: Analysis

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 3.3
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1189393 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
Image SLES15-SP3-CHOST-BYOS-Aliyun
Image SLES15-SP3-CHOST-BYOS-Azure
Image SLES15-SP3-CHOST-BYOS-EC2
Image SLES15-SP3-CHOST-BYOS-GCE
  • kernel-default >= 5.3.18-59.24.1
SUSE Linux Enterprise High Availability 15 SP3
  • cluster-md-kmp-default >= 5.3.18-59.24.1
  • dlm-kmp-default >= 5.3.18-59.24.1
  • gfs2-kmp-default >= 5.3.18-59.24.1
  • ocfs2-kmp-default >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Product-HA-15-SP3-2021-3205
SUSE Linux Enterprise Module for Basesystem 15 SP3
  • kernel-64kb >= 5.3.18-59.24.1
  • kernel-64kb-devel >= 5.3.18-59.24.1
  • kernel-default >= 5.3.18-59.24.1
  • kernel-default-base >= 5.3.18-59.24.1.18.12.1
  • kernel-default-devel >= 5.3.18-59.24.1
  • kernel-devel >= 5.3.18-59.24.1
  • kernel-macros >= 5.3.18-59.24.1
  • kernel-preempt >= 5.3.18-59.24.1
  • kernel-zfcpdump >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Module-Basesystem-15-SP3-2021-3205
SUSE Linux Enterprise Module for Development Tools 15 SP3
  • kernel-docs >= 5.3.18-59.24.1
  • kernel-obs-build >= 5.3.18-59.24.1
  • kernel-preempt-devel >= 5.3.18-59.24.1
  • kernel-source >= 5.3.18-59.24.1
  • kernel-syms >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Module-Development-Tools-15-SP3-2021-3205
SUSE Linux Enterprise Module for Legacy 15 SP3
  • reiserfs-kmp-default >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Module-Legacy-15-SP3-2021-3205
SUSE Linux Enterprise Module for Live Patching 15 SP3
  • kernel-default-livepatch >= 5.3.18-59.24.1
  • kernel-default-livepatch-devel >= 5.3.18-59.24.1
  • kernel-livepatch-5_3_18-59_24-default >= 1-7.5.1
Patchnames:
SUSE-SLE-Module-Live-Patching-15-SP3-2021-3205
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP3
  • cluster-md-kmp-64kb >= 5.3.18-59.24.1
  • cluster-md-kmp-azure >= 5.3.18-38.22.2
  • cluster-md-kmp-preempt >= 5.3.18-59.24.1
  • dlm-kmp-64kb >= 5.3.18-59.24.1
  • dlm-kmp-azure >= 5.3.18-38.22.2
  • dlm-kmp-preempt >= 5.3.18-59.24.1
  • dtb-al >= 5.3.18-59.24.1
  • dtb-allwinner >= 5.3.18-59.24.1
  • dtb-altera >= 5.3.18-59.24.1
  • dtb-amd >= 5.3.18-59.24.1
  • dtb-amlogic >= 5.3.18-59.24.1
  • dtb-apm >= 5.3.18-59.24.1
  • dtb-arm >= 5.3.18-59.24.1
  • dtb-broadcom >= 5.3.18-59.24.1
  • dtb-cavium >= 5.3.18-59.24.1
  • dtb-exynos >= 5.3.18-59.24.1
  • dtb-freescale >= 5.3.18-59.24.1
  • dtb-hisilicon >= 5.3.18-59.24.1
  • dtb-lg >= 5.3.18-59.24.1
  • dtb-marvell >= 5.3.18-59.24.1
  • dtb-mediatek >= 5.3.18-59.24.1
  • dtb-nvidia >= 5.3.18-59.24.1
  • dtb-qcom >= 5.3.18-59.24.1
  • dtb-renesas >= 5.3.18-59.24.1
  • dtb-rockchip >= 5.3.18-59.24.1
  • dtb-socionext >= 5.3.18-59.24.1
  • dtb-sprd >= 5.3.18-59.24.1
  • dtb-xilinx >= 5.3.18-59.24.1
  • dtb-zte >= 5.3.18-59.24.1
  • gfs2-kmp-64kb >= 5.3.18-59.24.1
  • gfs2-kmp-azure >= 5.3.18-38.22.2
  • gfs2-kmp-preempt >= 5.3.18-59.24.1
  • kernel-64kb-extra >= 5.3.18-59.24.1
  • kernel-64kb-livepatch-devel >= 5.3.18-59.24.1
  • kernel-64kb-optional >= 5.3.18-59.24.1
  • kernel-azure-extra >= 5.3.18-38.22.2
  • kernel-azure-livepatch-devel >= 5.3.18-38.22.2
  • kernel-azure-optional >= 5.3.18-38.22.2
  • kernel-debug >= 5.3.18-59.24.1
  • kernel-debug-devel >= 5.3.18-59.24.1
  • kernel-debug-livepatch-devel >= 5.3.18-59.24.1
  • kernel-default-base-rebuild >= 5.3.18-59.24.1.18.12.1
  • kernel-default-livepatch >= 5.3.18-59.24.1
  • kernel-default-optional >= 5.3.18-59.24.1
  • kernel-docs-html >= 5.3.18-59.24.1
  • kernel-kvmsmall >= 5.3.18-59.24.1
  • kernel-kvmsmall-devel >= 5.3.18-59.24.1
  • kernel-kvmsmall-livepatch-devel >= 5.3.18-59.24.1
  • kernel-obs-qa >= 5.3.18-59.24.1
  • kernel-preempt-livepatch-devel >= 5.3.18-59.24.1
  • kernel-preempt-optional >= 5.3.18-59.24.1
  • kernel-source-vanilla >= 5.3.18-59.24.1
  • kselftests-kmp-64kb >= 5.3.18-59.24.1
  • kselftests-kmp-azure >= 5.3.18-38.22.2
  • kselftests-kmp-default >= 5.3.18-59.24.1
  • kselftests-kmp-preempt >= 5.3.18-59.24.1
  • ocfs2-kmp-64kb >= 5.3.18-59.24.1
  • ocfs2-kmp-azure >= 5.3.18-38.22.2
  • ocfs2-kmp-preempt >= 5.3.18-59.24.1
  • reiserfs-kmp-64kb >= 5.3.18-59.24.1
  • reiserfs-kmp-azure >= 5.3.18-38.22.2
  • reiserfs-kmp-preempt >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Module-Development-Tools-OBS-15-SP3-2021-3179
SUSE-SLE-Module-Development-Tools-OBS-15-SP3-2021-3205
SUSE Linux Enterprise Module for Public Cloud 15 SP3
  • kernel-azure >= 5.3.18-38.22.2
  • kernel-azure-devel >= 5.3.18-38.22.2
  • kernel-devel-azure >= 5.3.18-38.22.1
  • kernel-source-azure >= 5.3.18-38.22.1
  • kernel-syms-azure >= 5.3.18-38.22.1
Patchnames:
SUSE-SLE-Module-Public-Cloud-15-SP3-2021-3179
SUSE Linux Enterprise Workstation Extension 15 SP3
  • kernel-default-extra >= 5.3.18-59.24.1
  • kernel-preempt-extra >= 5.3.18-59.24.1
Patchnames:
SUSE-SLE-Product-WE-15-SP3-2021-3205
SUSE MicroOS 5.1
  • kernel-default >= 5.3.18-59.24.1
  • kernel-default-base >= 5.3.18-59.24.1.18.12.1
Patchnames:
SUSE-SUSE-MicroOS-5.1-2021-3205
openSUSE Leap 15.3
  • cluster-md-kmp-64kb >= 5.3.18-59.24.1
  • cluster-md-kmp-azure >= 5.3.18-38.22.2
  • cluster-md-kmp-default >= 5.3.18-59.24.1
  • cluster-md-kmp-preempt >= 5.3.18-59.24.1
  • dlm-kmp-64kb >= 5.3.18-59.24.1
  • dlm-kmp-azure >= 5.3.18-38.22.2
  • dlm-kmp-default >= 5.3.18-59.24.1
  • dlm-kmp-preempt >= 5.3.18-59.24.1
  • dtb-al >= 5.3.18-59.24.1
  • dtb-allwinner >= 5.3.18-59.24.1
  • dtb-altera >= 5.3.18-59.24.1
  • dtb-amd >= 5.3.18-59.24.1
  • dtb-amlogic >= 5.3.18-59.24.1
  • dtb-apm >= 5.3.18-59.24.1
  • dtb-arm >= 5.3.18-59.24.1
  • dtb-broadcom >= 5.3.18-59.24.1
  • dtb-cavium >= 5.3.18-59.24.1
  • dtb-exynos >= 5.3.18-59.24.1
  • dtb-freescale >= 5.3.18-59.24.1
  • dtb-hisilicon >= 5.3.18-59.24.1
  • dtb-lg >= 5.3.18-59.24.1
  • dtb-marvell >= 5.3.18-59.24.1
  • dtb-mediatek >= 5.3.18-59.24.1
  • dtb-nvidia >= 5.3.18-59.24.1
  • dtb-qcom >= 5.3.18-59.24.1
  • dtb-renesas >= 5.3.18-59.24.1
  • dtb-rockchip >= 5.3.18-59.24.1
  • dtb-socionext >= 5.3.18-59.24.1
  • dtb-sprd >= 5.3.18-59.24.1
  • dtb-xilinx >= 5.3.18-59.24.1
  • dtb-zte >= 5.3.18-59.24.1
  • gfs2-kmp-64kb >= 5.3.18-59.24.1
  • gfs2-kmp-azure >= 5.3.18-38.22.2
  • gfs2-kmp-default >= 5.3.18-59.24.1
  • gfs2-kmp-preempt >= 5.3.18-59.24.1
  • kernel-64kb >= 5.3.18-59.24.1
  • kernel-64kb-devel >= 5.3.18-59.24.1
  • kernel-64kb-extra >= 5.3.18-59.24.1
  • kernel-64kb-livepatch-devel >= 5.3.18-59.24.1
  • kernel-64kb-optional >= 5.3.18-59.24.1
  • kernel-azure >= 5.3.18-38.22.2
  • kernel-azure-devel >= 5.3.18-38.22.2
  • kernel-azure-extra >= 5.3.18-38.22.2
  • kernel-azure-livepatch-devel >= 5.3.18-38.22.2
  • kernel-azure-optional >= 5.3.18-38.22.2
  • kernel-debug >= 5.3.18-59.24.1
  • kernel-debug-devel >= 5.3.18-59.24.1
  • kernel-debug-livepatch-devel >= 5.3.18-59.24.1
  • kernel-default >= 5.3.18-59.24.1
  • kernel-default-base >= 5.3.18-59.24.1.18.12.1
  • kernel-default-base-rebuild >= 5.3.18-59.24.1.18.12.1
  • kernel-default-devel >= 5.3.18-59.24.1
  • kernel-default-extra >= 5.3.18-59.24.1
  • kernel-default-livepatch >= 5.3.18-59.24.1
  • kernel-default-livepatch-devel >= 5.3.18-59.24.1
  • kernel-default-optional >= 5.3.18-59.24.1
  • kernel-devel >= 5.3.18-59.24.1
  • kernel-devel-azure >= 5.3.18-38.22.1
  • kernel-docs >= 5.3.18-59.24.1
  • kernel-docs-html >= 5.3.18-59.24.1
  • kernel-kvmsmall >= 5.3.18-59.24.1
  • kernel-kvmsmall-devel >= 5.3.18-59.24.1
  • kernel-kvmsmall-livepatch-devel >= 5.3.18-59.24.1
  • kernel-macros >= 5.3.18-59.24.1
  • kernel-obs-build >= 5.3.18-59.24.1
  • kernel-obs-qa >= 5.3.18-59.24.1
  • kernel-preempt >= 5.3.18-59.24.1
  • kernel-preempt-devel >= 5.3.18-59.24.1
  • kernel-preempt-extra >= 5.3.18-59.24.1
  • kernel-preempt-livepatch-devel >= 5.3.18-59.24.1
  • kernel-preempt-optional >= 5.3.18-59.24.1
  • kernel-source >= 5.3.18-59.24.1
  • kernel-source-azure >= 5.3.18-38.22.1
  • kernel-source-vanilla >= 5.3.18-59.24.1
  • kernel-syms >= 5.3.18-59.24.1
  • kernel-syms-azure >= 5.3.18-38.22.1
  • kernel-zfcpdump >= 5.3.18-59.24.1
  • kselftests-kmp-64kb >= 5.3.18-59.24.1
  • kselftests-kmp-azure >= 5.3.18-38.22.2
  • kselftests-kmp-default >= 5.3.18-59.24.1
  • kselftests-kmp-preempt >= 5.3.18-59.24.1
  • ocfs2-kmp-64kb >= 5.3.18-59.24.1
  • ocfs2-kmp-azure >= 5.3.18-38.22.2
  • ocfs2-kmp-default >= 5.3.18-59.24.1
  • ocfs2-kmp-preempt >= 5.3.18-59.24.1
  • reiserfs-kmp-64kb >= 5.3.18-59.24.1
  • reiserfs-kmp-azure >= 5.3.18-38.22.2
  • reiserfs-kmp-default >= 5.3.18-59.24.1
  • reiserfs-kmp-preempt >= 5.3.18-59.24.1
Patchnames:
openSUSE-SLE-15.3-2021-3179
openSUSE-SLE-15.3-2021-3205


First public cloud image revisions this CVE is fixed in:


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
HPE Helion OpenStack 8 kernel-source-azure Not affected
SLES-LTSS-SAP kernel-default Not affected
SLES-LTSS-SAP kernel-source Not affected
SUSE CaaS Platform 4.0 kernel-default Not affected
SUSE CaaS Platform 4.0 kernel-source Not affected
SUSE Enterprise Storage 6 kernel-default Not affected
SUSE Enterprise Storage 6 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 12 SP5 kernel-source-azure 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 High Performance Computing 15 SP1 ESPOS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-source Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-default Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-default Released
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Released
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-default Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-default Released
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Released
SUSE Linux Enterprise Module for Public Cloud 15 kernel-source-azure Not affected
SUSE Linux Enterprise Module for Public Cloud 15 SP1 kernel-source-azure Not affected
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-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 Real Time 12 SP5 kernel-source-rt Not affected
SUSE Linux Enterprise Server 11 SP1 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP1 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
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 SP3 ESPOS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source-azure 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 SP3 LTSS kernel-source-azure 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 ESPOS kernel-source-azure 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 SP4 LTSS kernel-source-azure 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 12 SP5 kernel-source-azure 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 15 SP1 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 15 SP1 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 BCL 12 SP3 kernel-source-azure Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kernel-default Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 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 SP3 kernel-source-azure 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 SP4 kernel-source-azure 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 12 SP5 kernel-source-azure 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 Linux Enterprise Server for SAP Applications 15 SP1 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Not affected
SUSE Manager Proxy 4.0 kernel-default Not affected
SUSE Manager Proxy 4.0 kernel-source Not affected
SUSE Manager Retail Branch Server 4.0 kernel-default Not affected
SUSE Manager Retail Branch Server 4.0 kernel-source Not affected
SUSE Manager Server 4.0 kernel-default Not affected
SUSE Manager Server 4.0 kernel-source Not affected
SUSE OpenStack Cloud 8 kernel-default Not affected
SUSE OpenStack Cloud 8 kernel-source Not affected
SUSE OpenStack Cloud 8 kernel-source-azure Not affected
SUSE OpenStack Cloud 9 kernel-default Not affected
SUSE OpenStack Cloud 9 kernel-source Not affected
SUSE OpenStack Cloud 9 kernel-source-azure Not affected
SUSE OpenStack Cloud Crowbar 8 kernel-default Not affected
SUSE OpenStack Cloud Crowbar 8 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 8 kernel-source-azure Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-default Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-source-azure Not affected
SUSE Real Time Module 15 SP2 kernel-source-rt Affected
SUSE Real Time Module 15 SP3 kernel-source-rt Analysis