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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-31447

ext4: reject mount if bigalloc with s_first_data_block != 0

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 281b59959707dfae03ce038cdf231bf4904e170c to < 5ad6d994255e27a3254079dfb50ca861fc31f2d0affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < 3a926957cc95899ef88529710836edadc03c71a1affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < 7b58c110b4e1f028eb38eec9ed3555e9be81c8b0affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < b77de3fceafbb39f30e4ff5dc986f863d5456417affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < d787d3ae96648dc14a3b7ca8fde817177e82c1c7affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < ad1f6d608f33f59d21a3d025615d6786a6443998affected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < 7d5b04290156c3fc316eecc86a4f9d201ab7d44aaffected
  • 281b59959707dfae03ce038cdf231bf4904e170c to < 3822743dc20386d9897e999dbb990befa3a5b3f8affected

Linux Linux

Default version status: affected

  • 3.2affected
  • 0 to < 3.2unaffected
  • 5.10.253 to ≤ 5.10.*unaffected
  • 5.15.203 to ≤ 5.15.*unaffected
  • 6.1.168 to ≤ 6.1.*unaffected
  • 6.6.131 to ≤ 6.6.*unaffected
  • 6.12.80 to ≤ 6.12.*unaffected
  • 6.18.21 to ≤ 6.18.*unaffected
  • 6.19.11 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References