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CVE-2026-64337

Published Jul 25, 2026 EPSS 0.22% (12th pctl)

Overview

CVE-2026-64337 is a known-severity vulnerability. It was published on July 25, 2026.

Technical Description

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

usb: mtu3: unmap request DMA on queue failure

mtu3_gadget_queue() maps the request before checking whether

the QMU GPD ring can accept another transfer. the request is

returned with -EAGAIN before it is linked on the endpoint

request list if mtu3_prepare_transfer() fails.

Normal completion and dequeue paths unmap requests from

mtu3_req_complete(), but this error path never reaches that

helper, so the DMA mapping is left active. Unmap the request

before returning from the failed queue path.

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

Ref git.kernel.org/stable/c/00c3fef4c2dc2c7cbd8281f8fda09d1913420f09 Ref git.kernel.org/stable/c/0bddda5a11665c210339de76d27ebbd1a2e0b43c Ref git.kernel.org/stable/c/3cee30f1138281a1d247bb053a1ad4f7c5b04e98 Ref git.kernel.org/stable/c/4183874b7925f4a98b400cf857bea26ee87da236 Ref git.kernel.org/stable/c/835b0596d4c9bdef93f842d8f826978fb4956b74 Ref git.kernel.org/stable/c/8c29d9cfab1c3cf0d0b7fcdf9255597be30aa3e1 Ref git.kernel.org/stable/c/e8f739a3860d043dcc135371637e82f53132efe5 Ref git.kernel.org/stable/c/f3c4026524d3660c73ef2838b99776d37631e039

Frequently Asked Questions

What is CVE-2026-64337?

CVE-2026-64337 is a known-severity vulnerability. It was published on July 25, 2026.

How severe is CVE-2026-64337?

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-2026-64337?

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-2026-64337?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-64337 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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