CVE-2026-72206

ntfs: validate index block header more strictly

State: Published
Severity: 9.8 Critical
Published: Aug 15, 2026
Updated: Aug 18, 2026
Reserved: Aug 9, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ntfs: validate index block header more strictly

Modify ntfs_index_block_inconsisent() to perform stricter validation of INDEX_HEADER geometry in INDX blocks, and update ntfs_lookup_inode_by_name() to use that function to validate INDX blocks.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 to before 34a49b3e94a50f45b62c6e6f574f676a079ba23eAffected 1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 to before 14bc34fe948523dc2b0174691f9af9e74eb4f3fdAffected
LinuxLinux	7.1Affected before 7.1Not affected 7.1.5 through 7.1.*Not affected 7.2 and laterNot affected

References

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