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CVE-2026-90396

In the Linux kernel, the following vulnerability has been resolved: block: fix dio leak on metadata mapping error A failed integrity mapping holds a dio reference, so we need to go through the fu…

Published Sep 17, 2026EPSS 0.21%

Overview

CVE-2026-90396 is a known-severity vulnerability. It was published on September 17, 2026.

Technical description

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

block: fix dio leak on metadata mapping error

A failed integrity mapping holds a dio reference, so we need to go

through the full bio ending in case there were previously submitted

bio's in the sequence.

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.

Frequently asked questions

What is CVE-2026-90396?

CVE-2026-90396 is a known-severity vulnerability. It was published on September 17, 2026.

How severe is CVE-2026-90396?

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-2026-90396?

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-2026-90396?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90396 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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