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CVE-2026-64470

kernel: Bluetooth: btusb: fix use-after-free on marvell probe failure

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · July 25, 2026

Updated · August 8, 2026

Description

A flaw was found in the Linux kernel's Bluetooth USB (btusb) driver. This vulnerability occurs during the Marvell Out-Of-Band (OOB) wakeup configuration when a probe failure happens. An attacker could potentially exploit a use-after-free condition in the completion callback, which may lead to system instability, denial of service, or potentially arbitrary code execution.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-825 · Expired Pointer Dereference