In the Linux kernel, the following vulnerability has been resolved:

hpfs: handle set_blocksize failures

hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting will hit the

BUG_ON(offset >= folio_size(folio));

in folio_set_bh on the first __bread_gfp call.

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History

Thu, 24 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: hpfs: handle set_blocksize failures hpfs uses buffer_heads, which don't handle block size > PAGE_SIZE well. Without this, mounting will hit the BUG_ON(offset >= folio_size(folio)); in folio_set_bh on the first __bread_gfp call.
Title hpfs: handle set_blocksize failures
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-09-24T16:04:30.711Z

Reserved: 2026-09-24T16:01:01.150Z

Link: CVE-2026-97486

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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