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CVE-2026-23155

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_receive_bulk_callback(): fix error message Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_call…

Published Feb 14, 2026CWE-476EPSS 0.13%

Overview

CVE-2026-23155 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:

can: gs_usb: gs_usb_receive_bulk_callback(): fix error message

Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_callback():

unanchor URL on usb_submit_urb() error") a failing resubmit URB will print

an info message.

In the case of a short read where netdev has not yet been assigned,

initialize as NULL to avoid dereferencing an undefined value. Also report

the error value of the failed resubmit.

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/494fc029f662c331e06b7c2031deff3c64200eedRefgit.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9Refgit.kernel.org/stable/c/7a431df418ee6b79841e0b4c7c265a791e3d0a75Refgit.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26Refgit.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6Refgit.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23155?

CVE-2026-23155 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-2026-23155?

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-2026-23155?

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-2026-23155?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23155 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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