---
title: "CVE-2026-80936: Linux kernel mt76 mt7925 - Use After Free"
description: "Linux kernel mt76 mt7925 contains a use-after-free caused by not cancelling delayed mlo_pm_work during device stop, letting attackers cause kernel warnings or crashes, exploit requires device teardown during power-save setup."
url: https://panop.io/threat-heartbeat/CVE-2026-80936/
---

# CVE-2026-80936 Linux kernel mt76 mt7925 - Use After Free

Linux kernel mt76 mt7925 contains a use-after-free caused by not cancelling delayed mlo\_pm\_work during device stop, letting attackers cause kernel warnings or crashes, exploit requires device teardown during power-save setup.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-80936)

## Details

Type

Use After Free

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

11 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix that cancels mlo\_pm\_work on stop.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-80936](https://nvd.nist.gov/vuln/detail/CVE-2026-80936)
- [https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1](https://git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1)
- [https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9](https://git.kernel.org/stable/c/304470333b7f525b23699ea7a7aed3b40ca37ca9)
- [https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f](https://git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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