In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix memory leak This checks if CONFIG_DEV_COREDUMP is enabled before attempting to clone the skb and also make sure btmtk_process_coredump frees the skb passed following the same logic.
https://git.kernel.org/stable/c/b10e6f6b160a60b98fb7476028f5a95405bbd725
https://git.kernel.org/stable/c/b08bd8f02a24e2b82fece5ac51dc1c3d9aa6c404
https://git.kernel.org/stable/c/79f4127a502c5905f04da1f20a7bbe07103fb77c
https://git.kernel.org/stable/c/620b9e60e4b55fa55540ce852a0f3c9e6091dbbc