How many CVEs have patched check_index_header?

2 published CVEs changed check_index_header in torvalds/linux, in 4 distinct patches totalling 5 changed lines, between 2025 and 2026.

What is the latest CVE that changed check_index_header?

CVE-2026-97438 (fs/ntfs3: validate index entry key bounds), published 2026-09-24, changed lines 2602 to 2607 of fs/ntfs3/fslog.c.

How does check_index_header compare to the rest of torvalds/linux?

torvalds/linux has 19,281 CVEs with a located fix in total; 2 of them changed check_index_header.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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torvalds/linux

Function

check_index_header

Name: check_index_header in torvalds/linux: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

fs/ntfs3/fslog.c

Last patched September 24, 2026

2

CVEs

That changed this function

4

Distinct patches

Backports counted once

5

Lines changed

Added plus removed

2025–2026

Years

By CVE publication date

Overview

check_index_header in torvalds/linux was changed by 2 published CVE fixes between 2025 and 2026, in 4 distinct patches that added or removed 5 lines in total.

torvalds/linux has 19,281 CVEs with a located fix in total, so 0% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed check_index_header, newest first, with the lines each fix touched.

fs/ntfs3: validate index entry key bounds
CVE-2026-97438 · lines 2602–2607 · +2 −1
High · CVSS 7.1
EPSS 0.1%2026-09-24
fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de()
CVE-2023-53988 · line 2578 · +1 −1
High · CVSS 7.8
EPSS 0.2%2025-12-24

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in torvalds/linux changed by the most CVE fixes.

smb2_sess_setup13 CVEs · fs/smb/server/smb2pdu.c adjust_ptr_min_max_vals13 CVEs · kernel/bpf/verifier.c ext4_fill_super13 CVEs · fs/ext4/super.c bcm_rx_setup12 CVEs · net/can/bcm.c copy_process12 CVEs · kernel/fork.c smb2_sess_setup11 CVEs · fs/ksmbd/smb2pdu.c

All patched functions in torvalds/linux

Frequently asked questions

Common questions about CVE fixes to check_index_header.

How many CVEs have patched check_index_header?: 2 published CVEs changed check_index_header in torvalds/linux, in 4 distinct patches totalling 5 changed lines, between 2025 and 2026.
What is the latest CVE that changed check_index_header?: CVE-2026-97438 (fs/ntfs3: validate index entry key bounds), published 2026-09-24, changed lines 2602 to 2607 of fs/ntfs3/fslog.c.
How does check_index_header compare to the rest of torvalds/linux?: torvalds/linux has 19,281 CVEs with a located fix in total; 2 of them changed check_index_header.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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