ntfs: centalize $INDEX_ROOT header validation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72204
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:39 UTC
Updated2026-08-18 07:16:53 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ntfs: centalize $INDEX_ROOT header validation Add a dedicated helper to perform stricter validation of $INDEX_ROOT and use it for both directory inodes and named index inodes. This keeps the root size and header geometry checks consistent across both read paths.

Risk And Classification

Primary CVSS: v3.1 8.4 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001680000 probability, percentile 0.064880000 (date 2026-08-17)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.4HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.4HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0 b06730c6af58d3569883f8dd7c36a90aba5ecc0a git Not specified
CNA Linux Linux affected 0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0 8b97b302f553a480fb76d2afd53cd6c0635a9dcd git Not specified
CNA Linux Linux affected 7.1 Not specified
CNA Linux Linux unaffected 7.1 semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b06730c6af58d3569883f8dd7c36a90aba5ecc0a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8b97b302f553a480fb76d2afd53cd6c0635a9dcd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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