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CVE-2026-31447 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8 kernel.org
https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1 kernel.org
https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0 kernel.org
https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0 kernel.org
https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a kernel.org
https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998 kernel.org
https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417 kernel.org
https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-31447
NVD Published Date:
04/22/2026
NVD Last Modified:
04/22/2026
Source:
kernel.org