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CVE-2022-50767

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device.

Published Dec 24, 2025EPSS 0.25%

Overview

CVE-2022-50767 is a known-severity vulnerability. It was published on December 24, 2025.

Technical description

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

fbdev: smscufx: Fix several use-after-free bugs

Several types of UAFs can occur when physically removing a USB device.

Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and

in this function, there is kref_put() that finally calls ufx_free().

This fix prevents multiple UAFs.

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/3f40852d671072836fb7ae331a1f28a24223c4e8Refgit.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141fRefgit.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953fRefgit.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4aRefgit.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9Refgit.kernel.org/stable/c/cc67482c9e5f2c80d62f623bcc347c29f9f648e1Refgit.kernel.org/stable/c/cc6a7249842fceda7574ceb63275a2d5e99d2862Refgit.kernel.org/stable/c/d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50767?

CVE-2022-50767 is a known-severity vulnerability. It was published on December 24, 2025.

How severe is CVE-2022-50767?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2022-50767?

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-2022-50767?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50767 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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