CVE-2025-40283 - CVE House
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Status published Unknown CVE-2025-40283

Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF There is a KASAN: slab-use-after-free read in btusb_disconnect(). Calling "usb_driver_release_interface(&btusb_driver, data->intf)" will free the btusb data associated with the interface. The same data is then used later in the function, hence the UAF. Fix by moving the accesses to btusb data to before the data is free'd.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
fd913ef7ce619467c6b0644af48ba1fec499c623, 4.11, 0, 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.59, 6.17.9, 6.18

Timeline

Official Publish: December 6th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.