Linux Kernel Vulnerability Affecting NTFS Resident Attributes

CVE-2026-99260

What is CVE-2026-99260?

A vulnerability exists in the Linux kernel's NTFS implementation, specifically impacting the management of resident attributes. When attempting to set sparse or compressed flags on a resident attribute, the function responsible did not properly handle the conversion from resident to non-resident status, leading to potential inconsistencies in attribute management. This flaw could allow for unexpected behavior in file systems that rely on NTFS attributes, emphasizing the importance of prompt updates to maintain system integrity.

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