by Kastro
Paper/Archive/CVE-2026-72206

CVE-2026-72206

Linux Linux — ntfs: validate index block header more strictly

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 46.2.462 × 209.2No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Linux1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 – < 34a49b3e94a50f45b62c6e6f574f676a079ba23e34a49b3e94a50f45b62c6e6f574f676a079ba23eCNA
Linux1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 – < 14bc34fe948523dc2b0174691f9af9e74eb4f3fd14bc34fe948523dc2b0174691f9af9e74eb4f3fdCNA
Linux7.17.1.5CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refgit.kernel.org/stable/c/34a49b3e94a50f45b62c6e6f574f676a079ba23erefgit.kernel.org/stable/c/14bc34fe948523dc2b0174691f9af9e74eb4f3fd