CVE-2025-40309 Bluetooth: SCO: Fix UAF on sco_conn_free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix UAF on scoconnfree BUG: KASAN: slab-use-after-free in scoconnfree net/bluetooth/sco.c:87 inline BUG: KASAN: slab-use-after-free in krefput include/linux/kref.h:65 inline BUG: KASAN: slab-use-after-free in...