In the Linux kernel through 6.7.1, there is a use-after-free in cec_queue_msg_fh, related to drivers/media/cec/core/cec-adap.c and drivers/media/cec/core/cec-api.c.
https://lore.kernel.org/lkml/e9f42704-2f99-4f2c-ade5-f952e5fd53e5%40xs4all.nl/
https://lore.kernel.org/lkml/e9f42704-2f99-4f2c-ade5-f952e5fd53e5%40xs4all.nl/