An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. Incorrect handling of RRC packets leads to 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, 1580, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds writes via malformed NAS packets.
An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The function used to decode the SOR transparent container lacks bounds checking, which can cause a fatal error.
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. A Heap-based Out-of-Bounds Write exists in the GPRS protocol implementation because of a mismatch between the actual length of the payload and the length declared within the payload.
An issue was discovered in RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 2100, 1280, 2200, 1330, 1380, 1480, 2400, W1000, Modem 5300, and Modem 5400. Incorrect handling of undefined values leads to 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 lack of a length check leads to out-of-bounds writes.
An issue was discovered in Samsung Mobile Processor and Modem Exynos 9820, 9825, 980, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W1000, Modem 5123, Modem 5300, Modem 5400. UE does not limit the number of attempts for the RRC Setup procedure in the 5G SA, leading to a denial of service (battery-drain attack).