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CVE-2026-72437

Published Aug 15, 2026 EPSS 0.21% (12th pctl)

Overview

CVE-2026-72437 is a known-severity vulnerability. It was published on August 15, 2026.

Technical Description

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

md/raid1: free r1_bio when REQ_NOWAIT is set and read would block on retry

When a read is retried, raid1_read_request() may be called with a

pre-allocated r1_bio. If wait_read_barrier() fails for a REQ_NOWAIT

read, the bio is completed and the function returns immediately. In this

case the existing r1_bio is leaked.

This fixes a leak of pre-allocated r1_bio structures for retried reads.

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/69ad6ce47f9bf2b9fe0ed69b042db993d33bbf12 Ref git.kernel.org/stable/c/6d92dbd73d19a0622f60352ce9d9379f7a760112 Ref git.kernel.org/stable/c/c66ed3e6371f5dba8f5d8ab810d6683ddc99201e Ref git.kernel.org/stable/c/c6e6354295845698d2fdfa20b71fc404786f7e93 Ref git.kernel.org/stable/c/d1eda529a4bf6b866d02755723ee0eb1f037a5ed Ref git.kernel.org/stable/c/db58075bc9c2ad2731f9c063859b47104bc2e7ef

Frequently Asked Questions

What is CVE-2026-72437?

CVE-2026-72437 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-72437?

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-2026-72437?

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-2026-72437?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-72437 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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