Null pointer dereference

There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedardev that could use the ioctl cmd IOCTLGETIOMMUADDR to cause a system crash...

CVE-2021-38785

CVE-2021-38785 describes a NULL pointer dereference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev. The issue can be triggered by the IOCTL_GET_IOMMU_ADDR ioctl, leading to a system crash. The available documents identify the affected component and the crash impact but ...