Bluetooth Vulnerability in Linux Kernel Affects Central Connection Stability

CVE-2026-68394

What is CVE-2026-68394?

A vulnerability exists in the Linux kernel's Bluetooth module, specifically within the management operations for loading connection parameters. The flaw arises when a single parameter update queues a function call that can interact unfavorably with previously stored connection data. This oversight can result in a use-after-free condition, potentially leading to unexpected behavior or system crashes. To mitigate the issue, developers need to ensure that references to connection parameters are correctly maintained and validated to prevent any interaction with freed memory, reinforcing the stability and reliability of Bluetooth connections within the Linux kernel.

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