CVE-2026-31451

medium

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUG_ON with proper error handling in ext4_read_inline_folio Replace BUG_ON() with proper error handling when inline data size exceeds PAGE_SIZE. This prevents kernel panic and allows the system to continue running while properly reporting the filesystem corruption. The error is logged via ext4_error_inode(), the buffer head is released to prevent memory leak, and -EFSCORRUPTED is returned to indicate filesystem corruption.

References

https://git.kernel.org/stable/c/d4b3f370c3d8f7ce565d4a718572c9f7c12f77ed

https://git.kernel.org/stable/c/a7d600e04732a7d29b107c91fe3aec64cf6ce7f2

https://git.kernel.org/stable/c/823849a26af089ffc5dfdd2ae4b9d446b46a0cda

https://git.kernel.org/stable/c/65c6c30ce6362c1c684568744ea510c921a756cd

https://git.kernel.org/stable/c/356227096eb66e41b23caf7045e6304877322edf

Details

Source: Mitre, NVD

Published: 2026-04-22

Updated: 2026-04-23

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018