Threats Tagged 'cve-2025-40283'
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Threats Tagged 'cve-2025-40283'
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A use-after-free (UAF) vulnerability was identified and resolved in the Linux kernel's Bluetooth USB driver (btusb). The issue occurs in the btusb_disconnect function where the driver releases an interface and frees associated data, but subsequently accesses that freed data, leading to a UAF condition. This vulnerability could allow an attacker with local privileges to cause memory corruption with high impact on confidentiality, integrity, and availability. The fix involves reordering the cleanup code to avoid accessing freed memory. Join the discussion | GCVE Database | 12/07/2025, 00:30:56 UTC Added: 07/30/2026, 15:50:44 UTC |
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. Join the discussion | GCVE Database | 12/06/2025, 22:15:00 UTC Added: 07/18/2026, 11:35:18 UTC |
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