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CVE-2026-72022

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

Overview

CVE-2026-72022 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

llc: fix SAP refcount leak in llc_ui_autobind()

llc_ui_autobind() opens a SAP after choosing a dynamic LSAP.

llc_sap_open() returns a reference owned by the caller, and

llc_sap_add_socket() takes a second reference for the socket's

membership in the SAP hash tables.

llc_ui_bind() drops the caller's reference after adding the socket,

but llc_ui_autobind() keeps it. When the socket is closed,

llc_sap_remove_socket() releases only the socket reference, leaving

the SAP on llc_sap_list with sk_count == 0.

This is user-visible because repeated autobind and close cycles can consume

all dynamic SAP values and make later autobinds fail with -EUSERS.

Drop the caller's reference after a successful autobind, matching

llc_ui_bind()'s ownership model.

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/21a537606fe35be2b85971a5fd35c0023b6ef98f Ref git.kernel.org/stable/c/61a7ff4a62003b55a15022567486741b3bd83914 Ref git.kernel.org/stable/c/660667cd406648bbaffbd5c0d897c2263a852f11 Ref git.kernel.org/stable/c/79dc4b508e3f2649390a1f745f7657813e5938ec Ref git.kernel.org/stable/c/a2f9fa31ae021ef1fdcaf3ab17bd49f9223dd6a4 Ref git.kernel.org/stable/c/b2fc9955ddc7c4ca03be44b995193bd6486c62e1 Ref git.kernel.org/stable/c/b589a965184dde49c43b8caf5bcc65715a7b4ef2 Ref git.kernel.org/stable/c/c7881b6088276601beaccb7440b8d56eab0d65ae

Frequently Asked Questions

What is CVE-2026-72022?

CVE-2026-72022 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72022?

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-2026-72022?

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-2026-72022?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72022 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.

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