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CVE-2026-72229

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

Overview

CVE-2026-72229 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

batman-adv: clean untagged VLAN on netdev registration failure

When an mesh interface is registered, it creates an untagged struct

batadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in

this process, another receiver of this notification can veto the

registration. The netdev registration will be aborted because of this veto.

The register_netdevice() call will try to clean up the net_device using

unregister_netdevice_queue() - which only uses the .priv_destructor to

free private resources. In this situation, .dellink will not be called.

The cleanup of the untagged batadv_meshif_vlan must thefore be done in the

destructor to avoid a leak of this object.

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/06ae245168268b705a204f93c318b30107d10e92 Ref git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91 Ref git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e Ref git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d Ref git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97 Ref git.kernel.org/stable/c/dbca15fcbeed5276af440a53aed3901590fa7fc9 Ref git.kernel.org/stable/c/f15ca6250591cfe78408114a54eaa8d58da51bfa Ref git.kernel.org/stable/c/f2423da55976ea249f73029e468aefda4b94acba

Frequently Asked Questions

What is CVE-2026-72229?

CVE-2026-72229 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72229?

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-2026-72229?

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-2026-72229?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72229 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

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