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CVE-2026-43430

4.7 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: usb: yurex: fix race in probe The bbu member of the descriptor must be set to the value standing for uninitialized values befor…

Published May 8, 2026CWE-362EPSS 0.11%

Overview

CVE-2026-43430 is a medium-severity vulnerability. It was published on May 8, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, 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:

usb: yurex: fix race in probe

The bbu member of the descriptor must be set to the value

standing for uninitialized values before the URB whose

completion handler sets bbu is submitted. Otherwise there is

a window during which probing can overwrite already retrieved

data.

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/3cec135415a89723e2d38e1c8cc5098203355965Refgit.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559Refgit.kernel.org/stable/c/7a875c09899ba0404844abfd8f0d54cdc481c151Refgit.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520Refgit.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71faRefgit.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2Refgit.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13aRefgit.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43430?

CVE-2026-43430 is a medium-severity vulnerability. It was published on May 8, 2026 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-43430?

This vulnerability has a CVSS 3.1 base score of 4.7, 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-2026-43430?

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-2026-43430?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43430 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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