An issue was discovered in the Linux kernel before 6.3.2. A use-after-free was found in cedrus_remove in drivers/staging/media/sunxi/cedrus/cedrus.c.
https://security.netapp.com/advisory/ntap-20230803-0002/
https://lore.kernel.org/linux-arm-kernel/20230308032333.1893394-1-zyytlz.wz%40163.com/T/
https://lore.kernel.org/all/a4dafa22-3ee3-dbe1-fd50-fee07883ce1a%40xs4all.nl/
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2