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CVE-2026-63862

Published Jul 19, 2026 EPSS 0.18% (7th pctl)

Overview

CVE-2026-63862 is a known-severity vulnerability. It was published on July 19, 2026.

Technical Description

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

PCI: mediatek-gen3: Prevent leaking IRQ domains when IRQ not found

In mtk_pcie_setup_irq(), the IRQ domains are allocated before the

controller's IRQ is fetched. If the latter fails, the function

directly returns an error, without cleaning up the allocated domains.

Hence, reverse the order so that the IRQ domains are allocated after the

controller's IRQ is found.

This was flagged by Sashiko during a review of "[PATCH v6 0/7] PCI:

mediatek-gen3: add power control support".

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/07a5ecb94768cbf76fe659e9924000e9ced0c8a6 Ref git.kernel.org/stable/c/0a2d60edc3e57c9512e239ebdfd12204d3368560 Ref git.kernel.org/stable/c/215d4273347b9010a9deae378b0df79c163f707d Ref git.kernel.org/stable/c/5573c44cb3fd01a9f62d569ae9ac870ef5f0e0ba Ref git.kernel.org/stable/c/946b31b5a699a2760ee52af0055e5ebf29c5f4cb Ref git.kernel.org/stable/c/abd3c1927d33766aef39c4640880e3d2637429c2

Frequently Asked Questions

What is CVE-2026-63862?

CVE-2026-63862 is a known-severity vulnerability. It was published on July 19, 2026.

How severe is CVE-2026-63862?

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-2026-63862?

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-2026-63862?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-63862 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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