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CVE-2026-72004

Published Aug 15, 2026 EPSS 0.21% (11th pctl)

Overview

CVE-2026-72004 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

wifi: mac80211: fix memory leak in ieee80211_register_hw()

If kmemdup() fails while copying supported band structures, the error

path jumps to fail_rate. This skips rate_control_deinitialize() and

leaks the initialized local->rate_ctrl.

Fix this by adding a fail_band label that shares the rate-control cleanup

path before falling through to the remaining teardown.

The bug was first flagged by an experimental analysis tool we are

developing for kernel memory-management bugs while analyzing

v6.13-rc1. The tool is still under development and is not yet publicly

available. Manual inspection confirms that the bug is still present in

v7.1-rc7.

An x86_64 allyesconfig build showed no new warnings. As we do not have a

suitable mac80211 device/driver combination to test with, no runtime

testing was able to be performed.

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

Ref git.kernel.org/stable/c/08b71bd92317f99642b842cfc0d30200868162fc Ref git.kernel.org/stable/c/3d8b9b290421c3cd505fcd2f551f143f8142786a Ref git.kernel.org/stable/c/45e9ac538cdff7bce656d731114a64eda85af0d7 Ref git.kernel.org/stable/c/95fc02722edde02946d0d475221f2b2054d3d8ba Ref git.kernel.org/stable/c/a02b52fe54f7b5107aefa1ce28c2f69749c57616 Ref git.kernel.org/stable/c/a7584f261e64fe14e45bdf70f343e16c1ee3a037 Ref git.kernel.org/stable/c/bdc0b8bfdc142439d6708b072e8159eb515ee7b0 Ref git.kernel.org/stable/c/f01eec75fd372961550b928902f3a2c11fca1daf

Frequently Asked Questions

What is CVE-2026-72004?

CVE-2026-72004 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72004?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-72004?

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-2026-72004?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72004 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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