In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected() Add check for the return value of mgmt_alloc_skb() in mgmt_device_connected() to prevent null pointer dereference. CREATE(Triage):(User=admin) CVE-2025-21936 (https://nvd.nist.gov/vuln/detail/CVE-2025-21936)