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OpenAdvisories
Unscored CVE-2021-29650 EUVD-2021-16126GHSA-pwg2-cp6r-fqq7

An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) b…

Published Mar 30, 2021 · Updated Aug 3, 2024 · Assigned by mitre

Description

An issue was discovered in the Linux kernel before 5.11.11. The netfilter subsystem allows attackers to cause a denial of service (panic) because net/netfilter/x_tables.c and include/linux/netfilter/x_tables.h lack a full memory barrier upon the assignment of a new table value, aka CID-175e476b8cdf.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 5.10.28-1 —
Debian 13 linux 5.10.28-1 —
Debian 12 linux 5.10.28-1 —
Debian 9 linux 4.9.272-1 DLA-2689-1
Debian 9 linux-4.19 4.19.194-1~deb9u1 DLA-2690-1
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-realtime +1 No fix yet —
Ubuntu 20.04 LTS linux 5.4.0-73.82 USN-4945-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1048.50 USN-4945-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1047.49 USN-4945-1
Ubuntu 20.04 LTS linux-gcp 5.4.0-1043.46 USN-4945-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1043.45 USN-4945-1
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1015.16 USN-4945-1
Ubuntu 20.04 LTS linux-hwe-5.8 5.8.0-53.60~20.04.1 USN-4949-1
Ubuntu 20.04 LTS linux-kvm 5.4.0-1039.40 USN-4945-1
Ubuntu 20.04 LTS linux-oem-5.10 5.10.0-1025.26 USN-4948-1
Ubuntu 20.04 LTS linux-oem-5.6 5.6.0-1056.60 USN-4947-1
Ubuntu 20.04 LTS linux-oracle 5.4.0-1045.49 USN-4945-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1035.38 USN-4945-2
Ubuntu 20.04 LTS linux-riscv +1 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.8 5.8.0-25.27~20.04.1 —
Ubuntu 18.04 LTS linux 4.15.0-143.147 USN-4946-1
Ubuntu 18.04 LTS linux-aws 4.15.0-1102.109 USN-4946-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1048.50~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1114.127 USN-4946-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1047.49~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1018.22 USN-4946-1
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1099.112 USN-4946-1
Ubuntu 18.04 LTS linux-gcp-5.4 5.4.0-1043.46~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-gke-5.4 5.4.0-1043.45~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1015.16~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-73.82~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-kvm 4.15.0-1091.93 USN-4946-1
Ubuntu 18.04 LTS linux-oracle 4.15.0-1071.79 USN-4946-1
Ubuntu 18.04 LTS linux-oracle-5.4 5.4.0-1044.47~18.04.1 USN-4945-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1035.38~18.04.1 USN-4945-2
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1085.90 USN-4946-1
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1102.111 USN-4946-1
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1069.73+fips2 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1073.76+fips1 —
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1067.71~20.04.1 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2044.46 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2026.29 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1059.67 —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1072.78 —
Ubuntu Pro 16.04 LTS linux 4.4.0-222.255 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1138.152 USN-5343-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1102.109~16.04.1 USN-4946-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1114.127~16.04.1 —
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1099.112~16.04.1 USN-4946-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-143.147~16.04.3 USN-4946-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1103.112 USN-5343-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1071.79~16.04.1 USN-4946-1
Ubuntu Pro 14.04 LTS linux No fix yet —
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1102.107 USN-5343-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1114.127~14.04.1 USN-4946-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-222.255~14.04.1 USN-5343-1
ReleasePackageFixed inAdvisory
RHEL 8 kernel-rt +12 4.18.0-348.rt7.130.el8 RHSA-2021:4140
RHEL 8 perf +26 4.18.0-348.el8 RHSA-2021:4356
RHEL 7 kernel-rt +10 3.10.0-1160.41.1.rt56.1181.el7 RHSA-2021:3328
RHEL 7 perf +18 3.10.0-1160.41.1.el7 RHSA-2021:3327

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 kernel-tools-libs-devel 4.18.0-348.el8 ALSA-2021:4356
ReleasePackageFixed inAdvisory
SLES 15 SP3 kernel-64kb +5 5.3.18-59.5.2 SUSE-SU-2023:2611-1, SUSE-SU-2021:1977-1
SLES 15 SP3 kernel-azure +2 5.3.18-38.3.1 SUSE-SU-2021:1975-1
SLES 15 SP3 kernel-default-base 5.3.18-59.5.2.18.2.2 SUSE-SU-2023:2611-1, SUSE-SU-2021:1977-1
SLES 15 SP3 kernel-syms +1 5.3.18-59.5.1 SUSE-SU-2023:2611-1, SUSE-SU-2021:1977-1
SLES 15 SP2 kernel-azure +1 5.3.18-18.47.2 SUSE-SU-2021:1622-1
SLES 15 SP2 kernel-default-base 5.3.18-24.64.1.9.28.1 SUSE-SU-2023:2651-1, SUSE-SU-2021:1574-1
SLES 15 SP2 kernel-docs 5.3.18-24.64.2 SUSE-SU-2023:2651-1, SUSE-SU-2021:1574-1
SLES 15 SP2 kernel-syms +4 5.3.18-24.64.1 SUSE-SU-2023:2651-1, SUSE-SU-2021:1574-1
SLES 15 SP2 kernel-syms-azure 5.3.18-18.47.1 SUSE-SU-2021:1622-1
SLES 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLES 15 SP1 kernel-syms +4 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLES 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLES 15 kernel-syms +5 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.56.1 SUSE-SU-2021:1572-1
SLES 12 SP5 kernel-docs +3 4.12.14-122.71.1 SUSE-SU-2021:1595-1
SLES 12 SP5 kernel-obs-build 4.12.14-122.71.2 SUSE-SU-2021:1595-1
Show 41 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP4 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLES 12 SP3 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.155.1 SUSE-SU-2021:1617-1
SLES 11 SP4 kernel-ec2 +8 3.0.101-108.126.1 SUSE-SU-2021:14724-1
SLES for SAP 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLES for SAP 15 SP3 kernel-docs +5 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLES for SAP 15 SP2 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SLES for SAP 15 SP2 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SLES for SAP 15 SP2 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLES for SAP 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLES for SAP 15 SP1 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLES for SAP 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLES for SAP 15 kernel-syms +4 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.56.1 SUSE-SU-2021:1572-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.71.1 SUSE-SU-2021:1595-1
SLES for SAP 12 SP4 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLES for SAP 12 SP3 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SLE Real Time 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Real Time 15 SP3 kernel-docs +5 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.43.1 SUSE-SU-2021:1605-1
SLE Micro 5.2 kernel-default 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Micro 5.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Micro 5.1 kernel-default 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE Micro 5.1 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE Micro 5.0 kernel-default 5.3.18-24.64.1 SUSE-SU-2021:1574-1
SLE Micro 5.0 kernel-default-base 5.3.18-24.64.1.9.28.1 SUSE-SU-2021:1574-1
SLE Micro 5.0 kernel-rt 5.3.18-8.10.1 SUSE-SU-2021:1915-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-59.5.2 SUSE-SU-2023:2611-1, SUSE-SU-2021:1977-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_1 1-7.5.1 SUSE-SU-2021:1977-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_33 1-150300.7.3.1 SUSE-SU-2023:2611-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-24.64.1 SUSE-SU-2023:2651-1, SUSE-SU-2021:1574-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_13 1-5.3.1 SUSE-SU-2021:1574-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_37 1-150200.5.3.1 SUSE-SU-2023:2651-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_24 1-3.3.2 SUSE-SU-2021:1624-1
SLE Live Patching 15 kernel-default 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_24 1-1.3.1 SUSE-SU-2021:1573-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.71.1 SUSE-SU-2021:1595-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_18 1-8.5.1 SUSE-SU-2021:1595-1
SLE Live Patching 12 SP4 kernel-default 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_20 1-6.3.1 SUSE-SU-2021:1596-1
SLE HPC 15 SP3 kernel-64kb +6 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SLE HPC 15 SP3 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SLE HPC 15 SP2 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SLE HPC 15 SP2 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SLE HPC 15 SP2 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SLE HPC 15 SP1 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SLE HPC 15 SP1 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SLE HPC 15 kernel-docs 4.12.14-150.72.2 SUSE-SU-2021:1573-1
SLE HPC 15 kernel-syms +4 4.12.14-150.72.1 SUSE-SU-2021:1573-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-8.10.1 SUSE-SU-2021:1915-1
SUSE Real Time Module 15 SP2 kernel-rt +2 5.3.18-36.2 SUSE-SU-2021:1571-1
SUSE Real Time Module 15 SP2 kernel-syms-rt 5.3.18-36.1 SUSE-SU-2021:1571-1
SUSE OpenStack Cloud Crowbar 9 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SUSE OpenStack Cloud Crowbar 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud Crowbar 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud 9 kernel-syms +2 4.12.14-95.74.1 SUSE-SU-2021:1596-1
SUSE OpenStack Cloud 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE OpenStack Cloud 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE Manager Server 4.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Manager Server 4.2 kernel-source +3 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Manager Server 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Server 4.0 kernel-syms +4 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE Manager Retail Branch Server 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Retail Branch Server 4.0 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE Manager Proxy 4.2 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Manager Proxy 4.2 kernel-source +2 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Manager Proxy 4.0 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Manager Proxy 4.0 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
SUSE HPE Helion OpenStack 8 kernel-syms +2 4.4.180-94.144.1 SUSE-SU-2021:1623-1
SUSE HPE Helion OpenStack 8 kgraft-patch-SLE12-SP3_Update_39 1-4.3.1 SUSE-SU-2021:1623-1
SUSE Enterprise Storage 7.1 kernel-64kb +6 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
SUSE Enterprise Storage 7.1 kernel-default-base 5.3.18-150300.59.124.1.150300.18.72.1 SUSE-SU-2023:2611-1
SUSE Enterprise Storage 7 kernel-default-base 5.3.18-150200.24.154.1.150200.9.75.1 SUSE-SU-2023:2651-1
SUSE Enterprise Storage 7 kernel-docs 5.3.18-150200.24.154.2 SUSE-SU-2023:2651-1
SUSE Enterprise Storage 7 kernel-syms +4 5.3.18-150200.24.154.1 SUSE-SU-2023:2651-1
SUSE Enterprise Storage 6 kernel-docs 4.12.14-197.89.3 SUSE-SU-2021:1624-1
SUSE Enterprise Storage 6 kernel-syms +3 4.12.14-197.89.2 SUSE-SU-2021:1624-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.4 dtb-aarch64 5.3.18-150300.59.124.1 SUSE-SU-2023:2611-1
openSUSE Leap 15.3 kernel-64kb +7 5.3.18-59.5.2 openSUSE-SU-2021:1977-1
openSUSE Leap 15.3 kernel-azure +2 5.3.18-38.3.1 openSUSE-SU-2021:1975-1
openSUSE Leap 15.3 kernel-default-base 5.3.18-59.5.2.18.2.2 openSUSE-SU-2021:1977-1
openSUSE Leap 15.3 kernel-syms +2 5.3.18-59.5.1 openSUSE-SU-2021:1977-1
openSUSE Leap 15.2 kernel-default-base 5.3.18-lp152.75.1.lp152.8.32.1 openSUSE-SU-2021:0716-1
openSUSE Leap 15.2 kernel-docs +8 5.3.18-lp152.75.1 openSUSE-SU-2021:0716-1
openSUSE Leap 15.2 kernel-rt +3 5.3.18-lp152.3.11.1 openSUSE-SU-2021:0873-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.238-182.421 1.0-0.amzn2 ALAS2-2021-1685
Amazon Linux 2 perf +8 4.14.238-182.421.amzn2 ALAS2-2021-1685

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.10.78.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 perf +19 4.18.0-348.el8 ELSA-2021-4356
Oracle Linux 7 kernel-uek +5 4.1.12-124.50.2.el7uek ELSA-2021-9222, ELSA-2021-9220, ELSA-2021-9215
Oracle Linux 7 kernel-uek-container 4.14.35-2047.503.1.el7 ELSA-2021-9223, ELSA-2021-9221
Oracle Linux 7 kernel-uek-container-debug 5.4.17-2102.201.3.el8 ELSA-2021-9221
Oracle Linux 7 kernel-uek-tools +3 4.14.35-2047.503.1.el7uek ELSA-2021-9222, ELSA-2021-9220
Oracle Linux 7 perf +12 3.10.0-1160.41.1.el7 ELSA-2021-9222, ELSA-2021-9220, ELSA-2021-3327

Advisories 47

References