Name: CVE-2021-40490: Concurrent Execution using Shared Resource with Improper Synchronization
Creator: Rapid7
Published: 2021-09-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-40490, CWE-362, CVSS 7, EPSS 0.00034

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.

CVSS Details

CVSS 3.1 Base Score: 7
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	—	Upgrade kernel-livepatch-4.14.238-182.422-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-4.14.246-187.474Upgrade kernel-livepatch-4.14.243-185.433Upgrade kernel-livepatch-4.14.241-184.433Upgrade kernel-livepatch-4.14.232-177.418-debuginfoUpgrade kernel-livepatch-4.14.238-182.421Upgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-livepatch-4.14.241-184.433-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-livepatch-4.14.243-185.433-debuginfoUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-livepatch-4.14.232-177.418Upgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.62-55.141Upgrade python-perfUpgrade kernel-livepatch-4.14.248-189.473Upgrade bpftoolUpgrade kernel-livepatch-4.14.238-182.422Upgrade kernel-livepatch-4.14.238-182.421-debuginfo	Sep 10, 2021	Sep 3, 2021
Amazon_linux	—	Upgrade kernel	Oct 5, 2021	Sep 3, 2021
Debian	—	Upgrade linux	Nov 29, 2021	Sep 3, 2021
Huawei Euleros 2_0_sp3	—	Upgrade kernel-tools-libsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernelUpgrade perfUpgrade python-perfUpgrade kernel-tools	Feb 24, 2022	Sep 3, 2021
Huawei Euleros 2_0_sp5	—	Upgrade kernel-headersUpgrade perfUpgrade kernel-develUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel	Jan 4, 2022	Sep 3, 2021
Huawei Euleros 2_0_sp8	—	Upgrade kernelUpgrade python3-perfUpgrade kernel-headersUpgrade perfUpgrade python-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-devel	Dec 28, 2021	Sep 3, 2021
Huawei Euleros 2_0_sp9	—	Upgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perf	Jan 4, 2022	Sep 3, 2021
Oracle_linux	—	Upgrade kernel-uek	Sep 23, 2021	Sep 3, 2021
Redhat_linux	—	No solution exists	Jul 9, 2025	Sep 3, 2021
Suse	—	Upgrade kernel-azure-baseUpgrade kernel-docs-htmlUpgrade kgraft-patch-4_12_14-122_91-defaultUpgrade kernel-preempt-extraUpgrade kernel-debug-develUpgrade ocfs2-kmp-azureUpgrade cluster-md-kmp-64kbUpgrade dtb-allwinnerUpgrade perl-bootloader-yamlUpgrade kselftests-kmp-azureUpgrade kernel-64kb-develUpgrade dtb-broadcomUpgrade kernel-source-vanillaUpgrade ocfs2-kmp-64kbUpgrade kernel-preempt-livepatch-develUpgrade cluster-md-kmp-preemptUpgrade kernel-azure-extraUpgrade dtb-xilinxUpgrade dtb-amdUpgrade kernel-debugUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-renesasUpgrade kmodUpgrade kernel-livepatch-4_12_14-150_78-defaultUpgrade kernel-preempt-develUpgrade kernel-docsUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-defaultUpgrade kmod-compatUpgrade kernel-default-kgraftUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-symsUpgrade kernel-defaultUpgrade kernel-develUpgrade kernel-kvmsmall-baseUpgrade reiserfs-kmp-preemptUpgrade kselftests-kmp-defaultUpgrade dtb-socionextUpgrade gfs2-kmp-azureUpgrade kgraft-patch-4_12_14-95_83-defaultUpgrade dtb-sprdUpgrade dtb-marvellUpgrade kernel-default-baseUpgrade kernel-zfcpdump-manUpgrade gfs2-kmp-preemptUpgrade kernel-azureUpgrade dtb-mediatekUpgrade kernel-default-optionalUpgrade dlm-kmp-azureUpgrade perl-bootloaderUpgrade dtb-caviumUpgrade kmod-bash-completionUpgrade dtb-freescaleUpgrade kernel-64kb-extraUpgrade kernel-default-livepatchUpgrade dtb-hisiliconUpgrade kernel-vanillaUpgrade kernel-64kb-optionalUpgrade kernel-preempt-optionalUpgrade dtb-nvidiaUpgrade kernel-default-develUpgrade kernel-azure-livepatch-develUpgrade kernel-default-base-rebuildUpgrade dtb-zteUpgrade kernel-azure-optionalUpgrade dtb-amlogicUpgrade dtb-alUpgrade dtb-armUpgrade libkmod2Upgrade kernel-debug-livepatch-develUpgrade kselftests-kmp-preemptUpgrade kernel-sourceUpgrade kernel-default-extraUpgrade dtb-apmUpgrade dtb-alteraUpgrade kernel-debug-baseUpgrade kernel-preemptUpgrade ocfs2-kmp-preemptUpgrade kernel-syms-azureUpgrade kernel-livepatch-4_12_14-197_102-defaultUpgrade kernel-azure-develUpgrade kernel-vanilla-baseUpgrade kernel-vanilla-livepatch-develUpgrade kernel-64kbUpgrade kernel-vanilla-develUpgrade kernel-default-manUpgrade kernel-zfcpdumpUpgrade kernel-kvmsmall-develUpgrade dlm-kmp-preemptUpgrade kernel-livepatch-5_3_18-24_86-defaultUpgrade dtb-lgUpgrade cluster-md-kmp-defaultUpgrade kernel-source-azureUpgrade dtb-qcomUpgrade reiserfs-kmp-64kbUpgrade kernel-obs-buildUpgrade dtb-rockchipUpgrade kernel-64kb-livepatch-develUpgrade kernel-kvmsmallUpgrade reiserfs-kmp-azureUpgrade kernel-livepatch-5_3_18-59_27-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-macrosUpgrade cluster-md-kmp-azureUpgrade kernel-devel-azureUpgrade kgraft-patch-4_4_180-94_150-defaultUpgrade kernel-obs-qaUpgrade dlm-kmp-64kbUpgrade dtb-exynosUpgrade libkmod-develUpgrade kernel-default-kgraft-develUpgrade gfs2-kmp-64kb	Oct 13, 2021	Sep 3, 2021
Ubuntu	—	Upgrade linux-image-oem-osp1Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.15.0-1114-snapdragonUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-5.11.0-1020-awsUpgrade linux-image-5.4.0-1025-gkeopUpgrade linux-image-bluefieldUpgrade linux-image-5.11.0-38-lowlatencyUpgrade linux-image-gke-5.4Upgrade linux-image-azure-lts-18.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.11.0-1021-gcpUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-222-genericUpgrade linux-image-snapdragonUpgrade linux-image-4.4.0-222-lowlatencyUpgrade linux-image-dell300xUpgrade linux-image-awsUpgrade linux-image-5.4.0-1058-awsUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.11.0-1020-azureUpgrade linux-image-5.4.0-89-genericUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.11.0-38-genericUpgrade linux-image-gcpUpgrade linux-image-4.4.0-1138-awsUpgrade linux-image-raspi-nolpaeUpgrade linux-image-4.15.0-1029-dell300xUpgrade linux-image-5.13.0-1014-oemUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.11.0-38-generic-64kUpgrade linux-image-virtualUpgrade linux-image-kvmUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-virtual-hwe-18.04Upgrade linux-image-4.15.0-1113-awsUpgrade linux-image-5.11.0-1021-raspi-nolpaeUpgrade linux-image-5.4.0-89-generic-lpaeUpgrade linux-image-4.15.0-161-lowlatencyUpgrade linux-image-5.4.0-1062-azureUpgrade linux-image-5.4.0-1006-ibmUpgrade linux-image-5.11.0-1021-raspiUpgrade linux-image-aws-lts-18.04Upgrade linux-image-oemUpgrade linux-image-oem-20.04Upgrade linux-image-5.10.0-1050-oemUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-oracleUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-5.8.0-1043-azureUpgrade linux-image-generic-64kUpgrade linux-image-4.4.0-1102-awsUpgrade linux-image-oem-20.04bUpgrade linux-image-4.15.0-1110-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-4.15.0-161-generic-lpaeUpgrade linux-image-aws-lts-20.04Upgrade linux-image-5.11.0-1020-oracleUpgrade linux-image-raspi2Upgrade linux-image-4.15.0-1114-awsUpgrade linux-image-oem-20.04cUpgrade linux-image-5.4.0-1020-bluefieldUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.4.0-1048-kvmUpgrade linux-image-4.15.0-1125-azureUpgrade linux-image-ibmUpgrade linux-image-4.15.0-161-genericUpgrade linux-image-5.4.0-89-lowlatencyUpgrade linux-image-gkeop-5.4Upgrade linux-image-aws-hweUpgrade linux-image-4.4.0-1103-kvmUpgrade linux-image-gkeopUpgrade linux-image-raspiUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.4.0-1056-gcpUpgrade linux-image-4.15.0-1097-raspi2Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-4.15.0-1082-oracleUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-5.4.0-1054-gkeUpgrade linux-image-5.4.0-1055-gcpUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-5.11.0-38-generic-lpaeUpgrade linux-image-azure-lts-20.04Upgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.4.0-1056-oracleUpgrade linux-image-5.4.0-1045-raspiUpgrade linux-image-5.11.0-1018-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-generic-lts-xenialUpgrade linux-image-azure-edgeUpgrade linux-image-4.15.0-1101-kvmUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-generic	Sep 30, 2021	Sep 3, 2021
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Jan 20, 2025	Sep 3, 2021

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CVSS Details

Covered by Rapid7

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