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CVE-2026-53100

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix deadlock in remain-on-channel mt76_remain_on_channel() and mt76_roc_complete() call mt76_set_channel() while al…

Published Jun 24, 2026CWE-667EPSS 0.12%

Overview

CVE-2026-53100 is a medium-severity vulnerability. It was published on June 24, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: fix deadlock in remain-on-channel

mt76_remain_on_channel() and mt76_roc_complete() call mt76_set_channel()

while already holding dev->mutex. Since mt76_set_channel() also acquires

dev->mutex, this results in a deadlock.

Use __mt76_set_channel() instead of mt76_set_channel().

Add cancel_delayed_work_sync() for mac_work before acquiring the mutex

in mt76_remain_on_channel() to prevent a secondary deadlock with the

mac_work workqueue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/5fc8c5d45e44575dda9fcabdc2aac4ad97baf0cdRefgit.kernel.org/stable/c/6939b97ddad3cf3dfbb3b5a0a12ef79cb886747eRefgit.kernel.org/stable/c/7a89c245d203aa0ed5ff2d68ac05b48b2ef9fa3f

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53100?

CVE-2026-53100 is a medium-severity vulnerability. It was published on June 24, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-53100?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-53100?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-53100?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53100 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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