In the Linux kernel, the following vulnerability has been resolved: media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE I expect that the hardware will have limited this to 16, but just in case it hasn't, check for this corner case.
https://git.kernel.org/stable/c/fc0f76dd5f116fa9291327024dda392f8b4e849c
https://git.kernel.org/stable/c/cbfa26936f318b16ccf9ca31b8e8b30c0dc087bd
https://git.kernel.org/stable/c/a2728bf9b6c65e46468c763e3dab7e04839d4e11
https://git.kernel.org/stable/c/93f65ce036863893c164ca410938e0968964b26c
https://git.kernel.org/stable/c/7ccb40f26cbefa1c6dfd3418bea54c9518cdbd8a
https://git.kernel.org/stable/c/4a449430ecfb199b99ba58af63c467eb53500b39
https://git.kernel.org/stable/c/2654e785bd4aa2439cdffbe7dc1ea30a0eddbfe4
https://git.kernel.org/stable/c/1609231f86760c1f6a429de7913dd795b9faa08c