CVE-2026-64470

highCVSS 7.1covered by 2 sourcesfirst seen 2026-07-14

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on marvell probe failure Make sure to stop any TX URBs submitted during Marvell OOB wakeup configuration on later probe failures to avoid use-after-free in the completion callback. This issue was reported by Sashiko while reviewing a fix for a wakeup source leak in the btusb probe errors paths.

CSIRTS triage

What: This vulnerability involves a use-after-free condition on Marvell probe failure.
Who is affected: Deployments using the Bluetooth subsystem with Marvell hardware.
Urgency: Remediation is necessary to prevent potential crashes or undefined behavior, though exploitation is not currently reported.
Action: Apply the patch for CVE-2026-64470.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Advisory coverage (2)

unknownCVE-2026-64470: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-…nvd · 2026-07-25
highCVE-2026-64470: Bluetooth: btusb: fix use-after-free on marvell probe failuremsrc · 2026-07-14

External references

NVD record for CVE-2026-64470

CVE.org record

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