---
id: CVE-2021-40490
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-362
vendor: netapp
product: solidfire_baseboard_management_controller
affected:
  - solidfire_baseboard_management_controller
  - 'linux_kernel >= 3.8, < 4.4.284'
  - 'linux_kernel >= 4.5, < 4.9.283'
  - 'linux_kernel >= 4.10, < 4.14.247'
  - 'linux_kernel >= 4.15, < 4.19.207'
  - 'linux_kernel >= 4.20, < 5.4.145'
  - 'linux_kernel >= 5.5, < 5.10.63'
  - 'linux_kernel >= 5.11, < 5.13.15'
  - 'linux_kernel >= 5.14, < 5.14.2'
  - fedora = 33
  - fedora = 34
  - debian_linux = 9.0
  - debian_linux = 11.0
  - aff_a250_firmware
  - fas_500f_firmware
  - h300s_firmware
  - h500s_firmware
  - h700s_firmware
  - h300e_firmware
  - h500e_firmware
  - h700e_firmware
  - h410s_firmware
  - h410c_firmware
  - h610c_firmware
  - h610s_firmware
  - h615c_firmware
patched:
  - linux_kernel 5.14.2
published: '2021-09-03'
updated: '2026-08-13'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-40490'
references:
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=9e445093e523f3277081314c864f708fd4bd34aa
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html'
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html'
    label: cve@mitre.org
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6VS2DLGT7TK7URKAS2KWJL3S533SGVA/
    label: cve@mitre.org
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJGX3DMJT6MRBW2XEF3TWVHYWZW3DG3N/
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20211004-0001/'
    label: cve@mitre.org
  - url: 'https://www.debian.org/security/2021/dsa-4978'
    label: cve@mitre.org
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=9e445093e523f3277081314c864f708fd4bd34aa
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6VS2DLGT7TK7URKAS2KWJL3S533SGVA/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJGX3DMJT6MRBW2XEF3TWVHYWZW3DG3N/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20211004-0001/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.debian.org/security/2021/dsa-4978'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00303
epssPercentile: 0.23255
ingestedAt: '2026-08-13T20:06:14.997Z'
---

## Overview

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.

## Affected

- `solidfire_baseboard_management_controller`
- `linux_kernel >= 3.8, < 4.4.284`
- `linux_kernel >= 4.5, < 4.9.283`
- `linux_kernel >= 4.10, < 4.14.247`
- `linux_kernel >= 4.15, < 4.19.207`
- `linux_kernel >= 4.20, < 5.4.145`
- `linux_kernel >= 5.5, < 5.10.63`
- `linux_kernel >= 5.11, < 5.13.15`
- `linux_kernel >= 5.14, < 5.14.2`
- `fedora = 33`
- `fedora = 34`
- `debian_linux = 9.0`
- `debian_linux = 11.0`
- `aff_a250_firmware`
- `fas_500f_firmware`
- `h300s_firmware`
- `h500s_firmware`
- `h700s_firmware`
- `h300e_firmware`
- `h500e_firmware`
- `h700e_firmware`
- `h410s_firmware`
- `h410c_firmware`
- `h610c_firmware`
- `h610s_firmware`
- `h615c_firmware`

## Remediation

Upgrade past the affected range:

- `linux_kernel 5.14.2`