An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in rkvdec_remove in drivers/staging/media/rkvdec/rkvdec.c.
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
https://lore.kernel.org/all/a4dafa22-3ee3-dbe1-fd50-fee07883ce1a%40xs4all.nl/
https://lore.kernel.org/lkml/20230307173900.1299387-1-zyytlz.wz%40163.com/T/