DoS caused by 5G NR NAS Registration Accept Message Handling

An issue was discovered in MM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, W920, W930, W1000, Modem 5123, and Modem 5300. Incorrect handling of 5G NR NAS registration accept messages leads to a Denial of Service.

An issue was discovered in Samsung Mobile Processor Exynos 1380, 1480, 2400, 1580, and 2500. A NULL pointer dereference of npu_proto_drv.ast.thread_ref in set_cpu_affinity() causes a denial of service.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The absence of a NULL check leads to a Denial of Service when an attacker sends malformed MM packets to the target.

An issue was discovered in Samsung Mobile Processor Exynos 980, Exynos 850, Exynos 1280, Exynos 1380, and Exynos 1330. In the function slsi_nan_subscribe_get_nl_params(), there is no input validation check on hal_req->num_intf_addr_present coming from userspace, which can lead to a heap overwrite.

An issue was discovered in Samsung Mobile Processor Exynos 980, Exynos 850, Exynos 1280, Exynos 1380, and Exynos 1330. In the function slsi_nan_get_security_info_nl(), there is no input validation check on sec_info->key_info.body.pmk_info.pmk_len coming from userspace, which can lead to a heap overwrite.

An issue was discovered in Samsung Mobile Processor Exynos 980, Exynos 850, Exynos 1280, Exynos 1380, and Exynos 1330. In the function slsi_nan_publish_get_nl_params(), there is no input validation check on hal_req->service_specific_info_len coming from userspace, which can lead to a heap overwrite.

An issue was discovered in Samsung Mobile Processor Exynos 1480, Exynos 2400. The xclipse amdgpu driver has a reference count bug. This can lead to a use after free.