What’s Vulnerable › Vulnerabilities

CVE-2026-72206: ntfs: validate index block header more strictly

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-18

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.

Affected products

• Linux kernel: 7.1 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/14bc34fe948523dc2b0174691f9af9e74eb4f3fd
• https://git.kernel.org/stable/c/34a49b3e94a50f45b62c6e6f574f676a079ba23e

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