CVE-2025-38593 Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix double free in 'hcidiscoveryfilterclear' Function 'hcidiscoveryfilterclear' frees 'uuids' array and then sets it to NULL. There is a tiny chance of the following race: 'hcicmdsyncwork'...