An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300, an Exynos Auto T5123. In the Shannon SM Task, improper handling of a loop with an unreachable exit condition cannot guarantee the termination of a required service via a malformed SM message.