CVE-2026-31447

Published: Apr 22, 2026Modified: May 7, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with s_first_data_block != 0 bigalloc with s_first_data_block != 0 is not supported, reject mounting it.

Affected (12)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 3.2 to 5.10.253
Linux Linux Kernel	From 5.11 to 5.15.203
Linux Linux Kernel	From 5.16 to 6.1.168
Linux Linux Kernel	From 6.13 to 6.18.21
Linux Linux Kernel	From 6.19 to 6.19.11
Linux Linux Kernel	From 6.2 to 6.6.131
Linux Linux Kernel	From 6.7 to 6.12.80
Linux Linux Kernel	Version 7.0 rc1
Linux Linux Kernel	Version 7.0 rc2
Linux Linux Kernel	Version 7.0 rc3
Linux Linux Kernel	Version 7.0 rc4
Linux Linux Kernel	Version 7.0 rc5