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CVE-2026-23096

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: uacce: fix cdev handling in the cleanup path When cdev_device_add fails, it internally releases the cdev memory, and if cdev_de…

Published Feb 4, 2026EPSS 0.13%

Overview

CVE-2026-23096 is a medium-severity vulnerability. It was published on February 4, 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:

uacce: fix cdev handling in the cleanup path

When cdev_device_add fails, it internally releases the cdev memory,

and if cdev_device_del is then executed, it will cause a hang error.

To fix it, we check the return value of cdev_device_add() and clear

uacce->cdev to avoid calling cdev_device_del in the uacce_remove.

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/1bc3e51367c420e6db31f41efa874c7a8e12194aRefgit.kernel.org/stable/c/819d647406200d0e83e56fd2df8f451b11290559Refgit.kernel.org/stable/c/98d67a1bd6caddd0a8b8c82a0b925742cf500936Refgit.kernel.org/stable/c/a3bece3678f6c88db1f44c602b2a63e84b4040acRefgit.kernel.org/stable/c/bd2393ed7712513e7e2dbcb6e21464a67ff9e702Refgit.kernel.org/stable/c/c94c7188d325bc5137d447d67a2f18f7d4f2f4a3Refgit.kernel.org/stable/c/d9031575a2f8aabc53af3025dd79af313a2e046b

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23096?

CVE-2026-23096 is a medium-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-23096?

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-2026-23096?

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-2026-23096?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23096 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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