Bluetooth Connection Issue in Linux Kernel Affects Multiple Versions

CVE-2026-53251

What is CVE-2026-53251?

A vulnerability in the Linux kernel affects the Bluetooth subsystem where the function hci_get_route() fails to release a reference-counted hci_dev pointer, potentially leading to resource leaks. This issue arises when the function exits due to normal operation or an error without properly managing the held reference, which can ultimately degrade system performance and stability. Users are advised to apply the latest patches and updates to mitigate risks associated with this vulnerability.

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