CVE-2026-99260
Received Received - Intake

NTFS Resident Attribute Conversion Flaw in Linux Kernel

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ntfs: fix resident conversion in ntfs_new_attr_flags When setting sparse/compressed flags on a resident attribute, the function skipped the resident-to-non-resident conversion and terminated.

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Meta Information

Published
2026-11-03
Last Modified
2026-11-03
Generated
2026-11-03
AI Q&A
2026-11-03
EPSS Evaluated
N/A
NVD
CVE-2026-99260
EUVD
EUVD-2026-115771

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Linux Linux 0

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Exploitability

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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel involves a flaw in the NTFS file system driver. When setting sparse or compressed flags on a resident attribute, the function fails to convert the attribute from resident to non-resident, causing the operation to terminate prematurely.

Detection Guidance

This vulnerability is specific to the Linux kernel's NTFS filesystem handling. Detection requires checking kernel versions and NTFS-related logs or errors. Use 'uname -a' to check kernel version and 'dmesg | grep ntfs' to look for NTFS-related errors. If errors appear during file operations on NTFS volumes, the system may be affected.

Impact Analysis

This vulnerability may lead to incomplete or failed file system operations when handling NTFS attributes. Users could experience data corruption, file system errors, or unexpected system behavior when working with NTFS-formatted drives.

Mitigation Strategies

Update the Linux kernel to the latest stable version that includes the fix for this NTFS vulnerability. Avoid using NTFS volumes until patched. Monitor vendor advisories for kernel updates and apply them promptly.

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