Linux Kernel NTFS3 Buffer Handling Vulnerability

CVE-2026-98880

What is CVE-2026-98880?

A vulnerability exists within the NTFS3 implementation of the Linux kernel that improperly manages buffer_heads, particularly when handling block sizes larger than PAGE_SIZE. This failure can lead to critical errors when attempting to mount NTFS3 filesystems, causing a persistent difficulty represented by the bug trigger BUG_ON(offset >= folio_size(folio));. This issue necessitates careful attention from system administrators to ensure systems are patched and vulnerabilities addressed promptly to maintain filesystem integrity.

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