CVE-2023-21665

CVE-2023-21665 describes memory corruption in the Qualcomm Adreno KGSL graphics driver. The connected packetstorm entry details an unchecked cast of vma->vm_file->private_data in kgsl_setup_dmabuf_useraddr(), which is reachable via IOCTL_KGSL_MAP_USER_MEM and can bypass sanity checks on VMA...