CVE-2026-31447

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/3822743dc20386d9897e999dbb990befa3a5b3f8
• https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1
• https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0
• https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0
• https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a
• https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998
• https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417
• https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7