CVE-2026-31447

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.

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