Vulnerability 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.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.2, < 5.10.253 |
References
- https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8Patch
- https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1Patch
- https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0Patch
- https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0Patch
- https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44aPatch
- https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998Patch
- https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417Patch
- https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7Patch
FAQ
What is CVE-2026-31447?
CVE-2026-31447 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 mountin...
How severe is CVE-2026-31447?
CVE-2026-31447 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-31447?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.