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CVE-2026-23290

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: validate USB endpoints The pegasus driver should validate that the device it is probing has the proper numbe…

Published Mar 25, 2026EPSS 0.13%

Overview

CVE-2026-23290 is a medium-severity vulnerability. It was published on March 25, 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:

net: usb: pegasus: validate USB endpoints

The pegasus driver should validate that the device it is probing has the

proper number and types of USB endpoints it is expecting before it binds

to it. If a malicious device were to not have the same urbs the driver

will crash later on when it blindly accesses these endpoints.

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/11de1d3ae5565ed22ef1f89d73d8f2d00322c699Refgit.kernel.org/stable/c/43d7c4114b1ec14f41f09306525d3b9382286fc1Refgit.kernel.org/stable/c/7f8505c7ce3f186ef9d2495f3c0bd6ad6fce999fRefgit.kernel.org/stable/c/95556b4e879711693c9865ba0938c148f62d5ea4Refgit.kernel.org/stable/c/af7369ae572f53cb701731a4289ec3b3889bc501Refgit.kernel.org/stable/c/c3f1672eaea68c5cb6e1ec081cdb92045453218fRefgit.kernel.org/stable/c/d5d9086211877361f1bda44a0aec538ddb04042aRefgit.kernel.org/stable/c/ee31ec8cf1eafeefa85ef934ba688d27f88bf0e2Refcert-portal.siemens.com/productcert/html/ssa-019113.htmlRefcert-portal.siemens.com/productcert/html/ssa-082556.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23290?

CVE-2026-23290 is a medium-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-23290?

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-2026-23290?

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-2026-23290?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23290 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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