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CVE-2026-23123

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: interconnect: debugfs: initialize src_node and dst_node to empty strings The debugfs_create_str() API assumes that the string p…

Published Feb 14, 2026CWE-908EPSS 0.14%

Overview

CVE-2026-23123 is a medium-severity vulnerability. It was published on February 14, 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:

interconnect: debugfs: initialize src_node and dst_node to empty strings

The debugfs_create_str() API assumes that the string pointer is either NULL

or points to valid kmalloc() memory. Leaving the pointer uninitialized can

cause problems.

Initialize src_node and dst_node to empty strings before creating the

debugfs entries to guarantee that reads and writes are safe.

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/5d7c7e1fb3ec24fdd0f9faa27b666d6789e891e8Refgit.kernel.org/stable/c/8cc27f5c6dd17dd090f3a696683f04336c162ff5Refgit.kernel.org/stable/c/935d0938b570589c8b0a1733d2cba3c39d027f25Refgit.kernel.org/stable/c/aa79a5a959c7c414bd6fba01ea8dbaddd44f13e7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23123?

CVE-2026-23123 is a medium-severity vulnerability. It was published on February 14, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-23123?

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-2026-23123?

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-2026-23123?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23123 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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