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CVE-2026-74455

In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: validate uCAN receive record lengths pcan_usb_fd_decode_buf() walks uCAN records packed in one USB receive buffer.

Published Aug 15, 2026EPSS 0.18%

Overview

CVE-2026-74455 is a known-severity vulnerability. It was published on August 15, 2026.

Technical description

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

can: peak_usb: validate uCAN receive record lengths

pcan_usb_fd_decode_buf() walks uCAN records packed in one USB

receive buffer.

Require each record to contain the fixed header for its type, and verify

CAN payload bytes before copying them into the skb.

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/2427ef427bdd78d862c7c76597bfd9eda88b81f1Refgit.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781Refgit.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260Refgit.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064aRefgit.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275Refgit.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346fRefgit.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97eRefgit.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8

How CyberStrike helps

Frequently asked questions

What is CVE-2026-74455?

CVE-2026-74455 is a known-severity vulnerability. It was published on August 15, 2026.

How severe is CVE-2026-74455?

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-2026-74455?

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-2026-74455?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-74455 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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