Samsung Exynos W920

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 NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Incorrect Handling of a DL NAS Transport packet leads to a Denial of Service.

An issue was discovered in USIM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Improper handling of SIM card proactive commands leads to a Denial of Service.

An issue was discovered in RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Improper memory initialization results in an illegal memory access, causing a system crash via a malformed RRCReconfiguration message.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Improper synchronization on a global variable leads to a use-after-free. An attacker can trigger a race condition by invoking an ioctl function concurrently from multiple threads.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor amd Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Improper synchronization on a global variable leads to a double free. An attacker can trigger a race condition by invoking an ioctl function concurrently from multiple threads.

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 NAS 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 writes.

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 Wi-Fi in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, W920, W930, and W1000. Lack of a boundary check in STOP_KEEP_ALIVE_OFFLOAD leads to out-of-bounds access.

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, Wearable Processor, and Modems with chipset Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, Modem 5123, and Modem 5300. A USAT out-of-bounds write due to a heap buffer overflow can lead to a Denial of Service.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation in a /proc/driver/unifi0/conn_log_event_burst_to_us write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/send_delts write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/ap_cert_disable_ht_vht write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/uapsd write operation, leading to kernel memory exhaustion.

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 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 Mobile Processor Exynos Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_blockack_ind(), there is no input validation check on a length coming from userspace, which can lead to a potential heap over-read.

An issue was discovered in Mobile Processor, Wearable Processor Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_roamed_ind(), there is no input validation check on a length coming from userspace, which can lead to a potential heap over-read.

An issue was discovered in Samsung Mobile Processor, Wearable Processor Exynos Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_scan_done_ind(), there is no input validation check on a length coming from userspace, which can lead to a potential heap over-read.

An issue was discovered in Samsung Mobile Processor Exynos Wearable Processor Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_scan_ind(), there is no input validation check on a length coming from userspace, which can lead to integer overflow and a potential heap over-read.

An issue was discovered in Samsung Mobile Processor Exynos Mobile Processor, Wearable Processor Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_received_frame_ind(), there is no input validation check on a length coming from userspace, which can lead to a potential heap over-read.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/create_tspec write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/p2p_certif write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/confg_tspec write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/ap_certif_11ax_mode write operation, leading to kernel memory exhaustion.

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930 and W1000. There is unbounded memory allocation via a large buffer in a /proc/driver/unifi0/send_addts write operation, leading to kernel memory exhaustion.

An issue was discovered in VTS in Samsung Mobile Processor and Wearable Processor Exynos 1080, 1280, 2200, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000. A race condition in the VTS driver results in an out-of-bounds read, leading to an information leak.

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.

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.

Samsung Mobile Processor and Wearable Processor (Exynos 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, and W920) allow Information Disclosure in the Bootloader.

In Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000, there is an improper access control vulnerability related to a log file.

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, and Modem 5300. The UE incorrectly handles a malformed uplink scheduling message, resulting in an information leak of the UE.