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OpenAdvisories
Unscored CVE-2021-40490 EUVD-2021-27667GHSA-w749-qfxr-r5v8

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

Published Sep 3, 2021 · Updated Aug 4, 2024 · Assigned by mitre

Package: kernel Package: linux Package: linux Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-azure-fips Package: linux-bluefield Package: linux-dell300x Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-edge Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-kvm Package: linux-lts-xenial Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.6 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.8 Package: linux-snapdragon Package: linux-vmware Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

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 5.14.6-1 —
Debian 13 linux 5.14.6-1 —
Debian 12 linux 5.14.6-1 —
Debian 11 linux 5.10.46-5 DSA-4978-1
Debian 9 linux 4.9.290-1 DLA-2843-1
Debian 9 linux-4.19 4.19.208-1~deb9u1 DLA-2785-1
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 5.4.0-89.100 USN-5116-1
Ubuntu 20.04 LTS linux-aws 5.4.0-1058.61 USN-5116-2
Ubuntu 20.04 LTS linux-aws-5.11 5.11.0-1020.21~20.04.2 USN-5113-1
Ubuntu 20.04 LTS linux-azure 5.4.0-1062.65 USN-5116-2
Ubuntu 20.04 LTS linux-azure-5.11 +1 5.11.0-1020.21~20.04.1 USN-5113-1
Ubuntu 20.04 LTS linux-azure-5.8 5.8.0-1043.46~20.04.1 USN-5120-1
Ubuntu 20.04 LTS linux-bluefield 5.4.0-1020.23 USN-5116-1
Ubuntu 20.04 LTS linux-gcp +1 5.4.0-1056.60 USN-5116-2
Ubuntu 20.04 LTS linux-gcp-5.11 5.11.0-1021.23~20.04.1 USN-5113-1
Ubuntu 20.04 LTS linux-gke 5.4.0-1054.57 USN-5116-2
Ubuntu 20.04 LTS linux-gkeop 5.4.0-1025.26 USN-5116-2
Ubuntu 20.04 LTS linux-hwe-5.11 5.11.0-38.42~20.04.1 USN-5113-1
Ubuntu 20.04 LTS linux-ibm 5.4.0-1006.7 USN-5116-2
Ubuntu 20.04 LTS linux-kvm 5.4.0-1048.50 USN-5116-1
Ubuntu 20.04 LTS linux-oem-5.10 5.10.0-1050.52 USN-5115-1
Ubuntu 20.04 LTS linux-oem-5.13 5.13.0-1014.18 USN-5096-1
Ubuntu 20.04 LTS linux-raspi 5.4.0-1045.49 USN-5116-2
Ubuntu 20.04 LTS linux-riscv +8 No fix yet —
Ubuntu 20.04 LTS linux-riscv-5.11 5.11.0-1021.22~20.04.1 —
Ubuntu 18.04 LTS linux 4.15.0-161.169 USN-5114-1
Ubuntu 18.04 LTS linux-aws 4.15.0-1114.121 USN-5114-1
Ubuntu 18.04 LTS linux-aws-5.4 5.4.0-1058.61~18.04.3 USN-5116-2
Ubuntu 18.04 LTS linux-azure-4.15 4.15.0-1125.138 USN-5114-1
Ubuntu 18.04 LTS linux-azure-5.4 5.4.0-1062.65~18.04.1 USN-5116-2
Ubuntu 18.04 LTS linux-dell300x 4.15.0-1029.34 USN-5114-1
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 18.04 LTS linux-gcp-4.15 4.15.0-1110.124 USN-5114-1
Ubuntu 18.04 LTS linux-gcp-5.4 +1 5.4.0-1056.60~18.04.1 USN-5116-2, USN-5116-1
Ubuntu 18.04 LTS linux-gke-5.4 5.4.0-1054.57~18.04.1 USN-5116-2
Ubuntu 18.04 LTS linux-gkeop-5.4 5.4.0-1025.26~18.04.1 USN-5116-2
Ubuntu 18.04 LTS linux-hwe-5.4 5.4.0-89.100~18.04.1 USN-5116-1
Ubuntu 18.04 LTS linux-kvm 4.15.0-1101.103 USN-5114-1
Ubuntu 18.04 LTS linux-oracle 4.15.0-1082.90 USN-5114-1
Ubuntu 18.04 LTS linux-raspi-5.4 5.4.0-1045.49~18.04.1 USN-5116-2
Ubuntu 18.04 LTS linux-raspi2 4.15.0-1097.103 USN-5114-1
Ubuntu 18.04 LTS linux-snapdragon 4.15.0-1114.123 USN-5114-1
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-fips 5.4.0-1035.41 —
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 4.15.0-2055.57 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2037.41 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1071.80 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2020.22 —
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 4.15.0-1113.120~16.04.1 USN-5114-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1125.138~16.04.1 USN-5114-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1110.124~16.04.1 USN-5114-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-161.169~16.04.1 USN-5114-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1103.112 USN-5343-1
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1082.90~16.04.1 USN-5114-1
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 4.15.0-1125.138~14.04.1 USN-5114-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-222.255~14.04.1 USN-5343-1
ReleasePackageFixed inAdvisory
RHEL 8 perf +26 4.18.0-372.9.1.el8 RHSA-2022:1988
ReleasePackageFixed inAdvisory
SLES 15 SP3 kernel-64kb +7 5.3.18-59.27.1 SUSE-SU-2021:3387-1
SLES 15 SP3 kernel-azure +1 5.3.18-38.25.2 SUSE-SU-2021:3338-1
SLES 15 SP3 kernel-default-base 5.3.18-59.27.1.18.15.1 SUSE-SU-2021:3387-1
SLES 15 SP3 kernel-syms-azure 5.3.18-38.25.1 SUSE-SU-2021:3338-1
SLES 15 SP2 kernel-azure +2 5.3.18-18.69.1 SUSE-SU-2021:3337-1
SLES 15 SP2 kernel-default-base 5.3.18-24.86.2.9.40.2 SUSE-SU-2021:3447-1
SLES 15 SP2 kernel-docs +4 5.3.18-24.86.2 SUSE-SU-2021:3447-1
SLES 15 SP2 kernel-syms 5.3.18-24.86.1 SUSE-SU-2021:3447-1
SLES 15 SP2 kmod 25-6.10.1 SUSE-SU-2021:3447-1
SLES 15 SP2 perl-Bootloader 0.931-3.5.1 SUSE-SU-2021:3447-1
SLES 15 SP1 kernel-docs +4 4.12.14-197.102.2 SUSE-SU-2021:3876-1
SLES 15 SP1 kernel-obs-build 4.12.14-197.102.1 SUSE-SU-2021:3876-1
SLES 15 kernel-docs +1 4.12.14-150.78.2 SUSE-SU-2021:3969-1
SLES 15 kernel-syms +4 4.12.14-150.78.1 SUSE-SU-2021:3969-1
SLES 12 SP5 kernel-azure +2 4.12.14-16.76.2 SUSE-SU-2021:3389-1
SLES 12 SP5 kernel-docs +4 4.12.14-122.91.2 SUSE-SU-2021:3386-1
Show 27 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 12 SP4 kernel-syms +2 4.12.14-95.83.2 SUSE-SU-2021:3972-1
SLES 12 SP3 kernel-syms +2 4.4.180-94.150.1 SUSE-SU-2021:3935-1
SLES 12 SP3 kgraft-patch-SLE12-SP3_Update_41 1-4.3.1 SUSE-SU-2021:3935-1
SLES 12 SP2 kernel-syms +2 4.4.121-92.161.1 SUSE-SU-2021:3929-1
SLES for SAP 15 SP1 kernel-docs +3 4.12.14-197.102.2 SUSE-SU-2021:3876-1
SLES for SAP 15 SP1 kernel-obs-build 4.12.14-197.102.1 SUSE-SU-2021:3876-1
SLES for SAP 15 kernel-docs +1 4.12.14-150.78.2 SUSE-SU-2021:3969-1
SLES for SAP 15 kernel-syms +3 4.12.14-150.78.1 SUSE-SU-2021:3969-1
SLES for SAP 12 SP5 kernel-azure +2 4.12.14-16.76.2 SUSE-SU-2021:3389-1
SLES for SAP 12 SP5 kernel-syms +2 4.12.14-122.91.2 SUSE-SU-2021:3386-1
SLES for SAP 12 SP4 kernel-syms +2 4.12.14-95.83.2 SUSE-SU-2021:3972-1
SLES for SAP 12 SP3 kernel-syms +2 4.4.180-94.150.1 SUSE-SU-2021:3935-1
SLES for SAP 12 SP3 kgraft-patch-SLE12-SP3_Update_41 1-4.3.1 SUSE-SU-2021:3935-1
SLE Real Time 12 SP5 kernel-rt +3 4.12.14-10.60.1 SUSE-SU-2021:3388-1
SLE Micro 5.1 kernel-default 5.3.18-59.27.1 SUSE-SU-2021:3387-1
SLE Micro 5.1 kernel-default-base 5.3.18-59.27.1.18.15.1 SUSE-SU-2021:3387-1
SLE Micro 5.1 kernel-rt 5.3.18-57.1 SUSE-SU-2021:3415-1
SLE Micro 5.0 kernel-default 5.3.18-24.86.2 SUSE-SU-2021:3447-1
SLE Micro 5.0 kernel-default-base 5.3.18-24.86.2.9.40.2 SUSE-SU-2021:3447-1
SLE Micro 5.0 kernel-rt 5.3.18-54.1 SUSE-SU-2021:3339-1
SLE Micro 5.0 kmod 25-6.10.1 SUSE-SU-2021:3447-1
SLE Micro 5.0 perl-Bootloader 0.931-3.5.1 SUSE-SU-2021:3447-1
SLE Live Patching 15 SP3 kernel-default 5.3.18-59.27.1 SUSE-SU-2021:3387-1
SLE Live Patching 15 SP3 kernel-livepatch-SLE15-SP3_Update_7 1-7.3.1 SUSE-SU-2021:3387-1
SLE Live Patching 15 SP2 kernel-default 5.3.18-24.86.2 SUSE-SU-2021:3447-1
SLE Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_20 1-5.3.2 SUSE-SU-2021:3447-1
SLE Live Patching 15 SP1 kernel-default 4.12.14-197.102.2 SUSE-SU-2021:3876-1
SLE Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_27 1-3.3.1 SUSE-SU-2021:3876-1
SLE Live Patching 15 kernel-default 4.12.14-150.78.1 SUSE-SU-2021:3969-1
SLE Live Patching 15 kernel-livepatch-SLE15_Update_26 1-1.3.1 SUSE-SU-2021:3969-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.91.2 SUSE-SU-2021:3386-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_24 1-8.3.2 SUSE-SU-2021:3386-1
SLE Live Patching 12 SP4 kernel-default 4.12.14-95.83.2 SUSE-SU-2021:3972-1
SLE Live Patching 12 SP4 kgraft-patch-SLE12-SP4_Update_23 1-6.3.1 SUSE-SU-2021:3972-1
SLE HPC 15 SP1 kernel-docs +3 4.12.14-197.102.2 SUSE-SU-2021:3876-1
SLE HPC 15 SP1 kernel-obs-build 4.12.14-197.102.1 SUSE-SU-2021:3876-1
SLE HPC 15 kernel-docs +1 4.12.14-150.78.2 SUSE-SU-2021:3969-1
SLE HPC 15 kernel-syms +3 4.12.14-150.78.1 SUSE-SU-2021:3969-1
SUSE Real Time Module 15 SP3 kernel-rt +3 5.3.18-57.1 SUSE-SU-2021:3415-1
SUSE Real Time Module 15 SP2 kernel-rt +3 5.3.18-54.1 SUSE-SU-2021:3339-1
SUSE OpenStack Cloud Crowbar 9 kernel-syms +2 4.12.14-95.83.2 SUSE-SU-2021:3972-1
SUSE OpenStack Cloud Crowbar 8 kernel-syms +2 4.4.180-94.150.1 SUSE-SU-2021:3935-1
SUSE OpenStack Cloud Crowbar 8 kgraft-patch-SLE12-SP3_Update_41 1-4.3.1 SUSE-SU-2021:3935-1
SUSE OpenStack Cloud 9 kernel-syms +2 4.12.14-95.83.2 SUSE-SU-2021:3972-1
SUSE OpenStack Cloud 8 kernel-syms +2 4.4.180-94.150.1 SUSE-SU-2021:3935-1
SUSE OpenStack Cloud 8 kgraft-patch-SLE12-SP3_Update_41 1-4.3.1 SUSE-SU-2021:3935-1
SUSE HPE Helion OpenStack 8 kernel-syms +2 4.4.180-94.150.1 SUSE-SU-2021:3935-1
SUSE HPE Helion OpenStack 8 kgraft-patch-SLE12-SP3_Update_41 1-4.3.1 SUSE-SU-2021:3935-1
SUSE Enterprise Storage 6 kernel-docs +3 4.12.14-197.102.2 SUSE-SU-2021:3876-1
SUSE Enterprise Storage 6 kernel-obs-build 4.12.14-197.102.1 SUSE-SU-2021:3876-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.3 dtb-aarch64 +7 5.3.18-59.27.1 openSUSE-SU-2021:3387-1
openSUSE Leap 15.3 kernel-azure +1 5.3.18-38.25.2 openSUSE-SU-2021:3338-1
openSUSE Leap 15.3 kernel-debug +4 4.12.14-197.102.2 openSUSE-SU-2021:3876-1, openSUSE-SU-2021:3387-1
openSUSE Leap 15.3 kernel-default-base 5.3.18-59.27.1.18.15.1 openSUSE-SU-2021:3387-1
openSUSE Leap 15.3 kernel-syms-azure 5.3.18-38.25.1 openSUSE-SU-2021:3338-1
openSUSE Leap 15.3 kmod 25-6.10.1 openSUSE-SU-2021:3447-1
openSUSE Leap 15.2 kernel-default-base 5.3.18-lp152.95.1.lp152.8.44.1 openSUSE-SU-2021:1357-1
openSUSE Leap 15.2 kernel-docs +8 5.3.18-lp152.95.1 openSUSE-SU-2021:1357-1
openSUSE Leap 15.2 kmod 25-lp152.8.3.1 openSUSE-SU-2021:1365-1
openSUSE Leap 15.2 kmod-testsuite 25-lp152.8.3.2 openSUSE-SU-2021:1365-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2 kernel-livepatch-4.14.246-187.474 +1 1.0-0.amzn2 ALAS2-2021-1712, ALAS2-2021-1704
Amazon Linux 2 perf +8 4.14.246-187.474.amzn2 ALAS2-2021-1712, ALAS2-2021-1704

Azure Linux

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

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 kernel-uek +5 4.1.12-124.54.6.1.el7uek ELSA-2021-9485, ELSA-2021-9474, ELSA-2021-9460
Oracle Linux 7 kernel-uek-container 4.14.35-2047.507.7.5.el7 ELSA-2021-9488, ELSA-2021-9475, ELSA-2021-9458
Oracle Linux 7 kernel-uek-container-debug 5.4.17-2102.206.1.el8 ELSA-2021-9475
Oracle Linux 7 perf +5 4.14.35-2047.507.7.5.el7uek ELSA-2021-9485, ELSA-2021-9474, ELSA-2021-9460

Advisories 41

References