CVE-2026-98880 ntfs3: handle set_blocksize failures

Not scored Published Updated
Exploited in the wild
Not known
Fix
Available

What is CVE-2026-98880?

CVE-2026-98880 is a vulnerability in Linux, published on 23 Oct 2026.

Official 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.

Which versions are affected by CVE-2026-98880?

How do I fix CVE-2026-98880?

Upgrade to a fixed version.

Is CVE-2026-98880 being exploited?

There is no known exploitation of CVE-2026-98880 in the wild and no public exploit code.

Sources

Also known as AZL-110611, BELL-CVE-2026-98880, DEBIAN-CVE-2026-98880, GHSA-h77q-v24c-72pv, UBUNTU-CVE-2026-98880.

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