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, and Modem 5400. A programming mistake for buffer copy leads to out-of-bounds writes via malformed ROHC packets.

An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 850, Exynos 1080, Exynos 2100, Exynos 1280, Exynos 1380, Exynos 1330, Exynos W920, Exynos W930. The mobile processor lacks proper reference count checking, which can result in a UAF (Use-After-Free) vulnerability.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, Exynos 990, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 2400, Exynos Modem 5123, and Exynos Modem 5300. The baseband software does not properly check states specified by the RRC (Radio Resource Control) Reconfiguration message. This can lead to disclosure of sensitive information.

A vulnerability was discovered in Samsung Mobile Processors Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, and Exynos W930 where they do not properly check length of the data, which can lead to a Denial of Service.

A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, Exynos Modem 5300 that allows an out-of-bounds write in the heap in 2G (no auth).

An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Lack of boundary check during the decoding of Registration Accept messages can lead to out-of-bounds writes on the stack

An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Lack of a boundary check during the decoding of DL NAS Transport messages leads to a Denial of Service.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300. The baseband software does not properly check the length specified by the CC (Call Control). This can lead to an Out-of-Bounds write.

An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, Modem 5123, and Modem 5300. The baseband software does not properly check the length specified by the MM (Mobility Management) module, which can lead to Denial of Service.

An issue was discovered in Samsung Semiconductor Mobile Processor and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, Exynos Modem 5300. The baseband software does not properly check a pointer specified by the SM (Session Management module), which can lead to Denial of Service (Untrusted Pointer Dereference).

An issue was discovered in Samsung Semiconductor Mobile Processor and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, Exynos Modem 5300. The baseband software does not properly check a pointer specified by the CC (Call Control module), which can lead to Denial of Service (Untrusted Pointer Dereference).

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, Modem 5123, Modem 5300. There is an out-of-bounds write due to a heap overflow in the GPRS protocol.

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 and Wearable Processor 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 access via malformed RRC packets to the target.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. The lack of a length check leads to out-of-bounds reads via malformed NAS packets.

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.

A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850 Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380 Exynos 1330, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, Exynos Modem 5300 that allows out-of-bounds access to a heap buffer in the SIM Proactive Command.

A vulnerability was discovered in Samsung Mobile Processor Exynos 980, Exynos 990, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, and Exynos 2400 that involves a time-of-check to time-of-use (TOCTOU) race condition, which can lead to a Denial of Service.

A vulnerability was discovered in SS in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 2400, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, and Exynos Modem 5300 that involves a NULL pointer dereference which can cause abnormal termination of a mobile phone via a manipulated packet.

A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos W930, Exynos Modem 5123, and Exynos Modem 5300 that involves incorrect authorization of LTE NAS messages and leads to downgrading to lower network generations and repeated DDOS.