There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev that could use the ioctl cmd IOCTL_GET_IOMMU_ADDR to cause a system crash.
No PoCs from references.
- https://github.com/ARPSyndicate/cvemon
- https://github.com/pokerfacett/MY_CVE_CREDIT