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CVE-2026-46128

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: ipmi: Check event message buffer response for bad data The event message buffer response data size got checked later when proce…

Published May 28, 2026EPSS 0.17%

Overview

CVE-2026-46128 is a medium-severity vulnerability. It was published on May 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

ipmi: Check event message buffer response for bad data

The event message buffer response data size got checked later when

processing, but check it right after the response comes back. It

appears some BMCs may return an empty message instead of an error

when fetching events.

There are apparently some new BMCs that make this error, so we need to

compensate.

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

Refgit.kernel.org/stable/c/01f8387fa5b796f13cf50014c171f6da7abc46eaRefgit.kernel.org/stable/c/2418e4b21fb1355504d095da5d5f0a210564a43dRefgit.kernel.org/stable/c/24269264c3d59a49eb09b10af2c75b14f2931482Refgit.kernel.org/stable/c/36920f30e78e69df01f9691c470b6f3ba8aebf98Refgit.kernel.org/stable/c/42432b579a594b66ac32e5e7b7c26e6bc578ec89Refgit.kernel.org/stable/c/474e53d4397087913a5b9c9eb90fa068da4808bfRefgit.kernel.org/stable/c/7f7ada72c07a83b46045ddfeee526bd9e2e3c8f0Refgit.kernel.org/stable/c/cf1ef30c42a7079e5bad863cd01c52aa3a17c3ac

How CyberStrike helps

Frequently asked questions

What is CVE-2026-46128?

CVE-2026-46128 is a medium-severity vulnerability. It was published on May 28, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-46128?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-46128?

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-2026-46128?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-46128 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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