CVE-2022-46396 (avalon_gpu_kernel_driver, valhall_gpu_kernel_driver)

An issue was discovered in the Arm Mali Kernel Driver. A non-privileged user can make improper GPU memory processing operations to access a limited amount outside of buffer bounds. This affects Valhall r29p0 through r41p0 before r42p0 and Avalon r41p0 before r42p0.

access arm buffer cve driver gpu issue kernel kernel driver mali memory non operations privileged privileged user