Unscored severity · published Oct 23, 2026
CVE-2026-98880
ntfs3: handle set_blocksize failures
New
–
CVSS
0.2%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
ntfs3: handle set_blocksize failures
ntfs3 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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
82cae269cfa953032fbb8980a7d554d60fb00b17 before df9dac4dbe557f6455a61e68cc09ef98b22f3686; 82cae269cfa953032fbb8980a7d554d60fb00b17 before c5b8a7ec9a0a71518915c82b8552be1ccbb88288; 82cae269cfa953032fbb8980a7d554d60fb00b17 before 78e10082f3e919b8863958feac5f269d3ade9469; 82cae269cfa953032fbb8980a7d554d60fb00b17 before 24f7d1824b7581ae3daf9d443c5dfeabd89df6d8; 5.15 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-98880
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-98880
git.kernel.org
https://git.kernel.org/stable/c/24f7d1824b7581ae3daf9d443c5dfeabd89df6d8
git.kernel.org
https://git.kernel.org/stable/c/78e10082f3e919b8863958feac5f269d3ade9469
git.kernel.org
https://git.kernel.org/stable/c/c5b8a7ec9a0a71518915c82b8552be1ccbb88288
git.kernel.org
https://git.kernel.org/stable/c/df9dac4dbe557f6455a61e68cc09ef98b22f3686
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