CVE-2026-31447
ext4: reject mount if bigalloc with s_first_data_block != 0
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Apr 22, 2026 |
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Affected Versions
Linux / Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5ad6d994255e27a3254079dfb50ca861fc31f2d0 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3a926957cc95899ef88529710836edadc03c71a1 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7b58c110b4e1f028eb38eec9ed3555e9be81c8b0 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b77de3fceafbb39f30e4ff5dc986f863d5456417 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d787d3ae96648dc14a3b7ca8fde817177e82c1c7 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ad1f6d608f33f59d21a3d025615d6786a6443998 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7d5b04290156c3fc316eecc86a4f9d201ab7d44a 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3822743dc20386d9897e999dbb990befa3a5b3f8
Linux / Linux
All versions affected References
git.kernel.org: https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0 git.kernel.org: https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1 git.kernel.org: https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0 git.kernel.org: https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417 git.kernel.org: https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7 git.kernel.org: https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998 git.kernel.org: https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a git.kernel.org: https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8