What’s Vulnerable › Vulnerabilities

CVE-2026-64470: Bluetooth: btusb: fix use-after-free on marvell probe failure

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-25 · updated 2026-08-17

Description

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.

Affected products

• Linux kernel: 4.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0ccb1cb0a464dab78284c34196cd3e8e18bab4c4
• https://git.kernel.org/stable/c/1edd524de5cc8143ece9c42c466346983dc5b5ed
• https://git.kernel.org/stable/c/631de465aba7f8ae46478bf5f598111412e8eff8
• https://git.kernel.org/stable/c/6e1b10df890f4663cb38af9fc1c93d36747b75af
• https://git.kernel.org/stable/c/838c917a2f16eefe68def800ebf48a2af591149a
• https://git.kernel.org/stable/c/92c736866244340497a8a65afe2ac25354c2bf5e
• https://git.kernel.org/stable/c/a7e941a395711791c7e98d9870c6562c2c9e9ef2
• https://git.kernel.org/stable/c/c5b600a3c05b1a7a110d558df935a8fc8a471c79

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