CVE-2026-97486hpfs: handle set_blocksize failures
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before f7b0cde62edb8ceff8bcc17ba3f1b086646fff89; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before b618f681acb6748faf95eee9af2aac5455a74e68; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 10f226687bcb07ed925a453b6f25e817165d113b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0451927f42b0282d80d402e8e8c46ff34e9f606f; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before fc79fcc78cb771f2a803e52149cac5ca9050fd05; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before f27e21cf3c0446a3536ea9b588a78a46b0a2cb66; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a405996f23e04942aad064ab8d50c55827482872 | CNA record |
References
- https://git.kernel.org/stable/c/f7b0cde62edb8ceff8bcc17ba3f1b086646fff89
- https://git.kernel.org/stable/c/b618f681acb6748faf95eee9af2aac5455a74e68
- https://git.kernel.org/stable/c/10f226687bcb07ed925a453b6f25e817165d113b
- https://git.kernel.org/stable/c/0451927f42b0282d80d402e8e8c46ff34e9f606f
- https://git.kernel.org/stable/c/fc79fcc78cb771f2a803e52149cac5ca9050fd05
- https://git.kernel.org/stable/c/f27e21cf3c0446a3536ea9b588a78a46b0a2cb66
- https://git.kernel.org/stable/c/a405996f23e04942aad064ab8d50c55827482872
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.