Bluetooth UAF Vulnerability in Linux Kernel Affecting Multiple Versions
CVE-2025-39982

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 15 October 2025

What is CVE-2025-39982?

A vulnerability in the Linux kernel, specifically within the Bluetooth subsystem, has been identified that may lead to a use-after-free condition in the hci_acl_create_conn_sync function. This issue occurs when a Bluetooth connection is pending while a command submission is processed, potentially allowing the freed memory to be accessed inappropriately. This can compromise system stability and security. The bug has been addressed in updates to ensure that memory is managed correctly, eliminating the risk of exploitation.

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