CVE-2021-40490: Debian Linux

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

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 products

• Debian Debian Linux: version 9.0 only; version 11.0 only
• Fedoraproject Fedora: version 33 only; version 34 only
• Linux Linux Kernel: from 3.8, before 4.4.284 (fixed in 4.4.284); from 4.5, before 4.9.283 (fixed in 4.9.283); from 4.10, before 4.14.247 (fixed in 4.14.247); from 4.15, before 4.19.207 (fixed in 4.19.207); from 4.20, before 5.4.145 (fixed in 5.4.145); from 5.5, before 5.10.63 (fixed in 5.10.63); …
• Netapp Aff a250 Firmware: affected versions not specified
• Netapp Fas 500f Firmware: affected versions not specified
• Netapp h300e Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500e Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h610c Firmware: affected versions not specified
• Netapp h610s Firmware: affected versions not specified
• Netapp h615c Firmware: affected versions not specified
• Netapp h700e Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified
• Netapp Solidfire Baseboard Management Controller: affected versions not specified

Published 2021-09-03. Last modified 2026-08-13.