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CVE-2026-72238

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

Overview

CVE-2026-72238 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

x86/boot: Validate console=uart8250 baud rate to fix early boot hang

When the baud rate is empty, 0, invalid, or overflows to 0 when stored

as an int, the system will hang during early boot because of a division

by zero in early_serial_init().

Fall back to DEFAULT_BAUD when the resulting baud rate is 0 to prevent

an early system hang.

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/24fbed0a2a45f5f379ef2b53bd2abe58be1142ad Ref git.kernel.org/stable/c/4dad7e870c7e5178f71b5e1e4f67934b9e8cc207 Ref git.kernel.org/stable/c/9a77a7639dfdc3eca417cd37620ce64da79c80c4 Ref git.kernel.org/stable/c/b4d05032e9af7137eab8f3af2855073f896ca843 Ref git.kernel.org/stable/c/c1a276a731d02cbb728d0530f327a68728f2d8b0 Ref git.kernel.org/stable/c/efa96a22613b86e05cd81229ce0be411c1a4a79a Ref git.kernel.org/stable/c/f7c67c97b37c11f2a95c204092fb8159f2779e8f Ref git.kernel.org/stable/c/ffa0aa5b625fe0bed7463ac613f8b06676ff4542

Frequently Asked Questions

What is CVE-2026-72238?

CVE-2026-72238 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72238?

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-2026-72238?

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-2026-72238?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72238 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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