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Background: Writing a device name to this file will cause the kernel binds devices to a compatible driver.
Vulnerability details: Bluetooth: virtio_bt: fix memory leak in virtbt_rx_handle()
On the reception of packets with an invalid packet type, the memory of the allocated socket buffers is never freed. Add a default case that frees these to avoid a memory leak.
Typically, memory leaks occur because allocated memory is not freed and you lose a pointer to the allocated block. As a result, a memory leak occurs.
Status: Remedy has been released on October 2021 – https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18