CVE-2026-97490

medium

Description

In the Linux kernel, the following vulnerability has been resolved: affs: handle set_blocksize failures affs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting we will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.

References

https://git.kernel.org/stable/c/e01af5aa641039e000af855f448475316f0550fc

https://git.kernel.org/stable/c/bb45146a661934ef801f8fc62f88cdbcf6584ed1

https://git.kernel.org/stable/c/0861182af5983a39bd2a891966436c5679b74a45

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-24

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00166