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  1. CVEs
  2. CVE-2026-31447
  1. CVEs

CVE-2026-31447

high
  • Information
  • CPEs
  • Plugins

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.

References

https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7

https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417

https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998

https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a

https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0

https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0

https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1

https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

https://cert-portal.siemens.com/productcert/html/ssa-019113.html

Details

Source: Mitre, NVD

Published: 2026-04-22

Updated: 2026-07-14

Risk Information

CVSS v2

Base Score: 7.2

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

Severity: High

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00024

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