A TOCTOU race condition in Samsung Mobile Processor Exynos 9820, Exynos 980, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, and Exynos 1380 can cause unexpected termination of a system.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, Automotive Processor, and Modem (Exynos 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, W920, Modem 5123, Modem 5300, and Auto T5123). A buffer copy, without checking the size of the input, can cause abnormal termination of a mobile phone. This occurs in the RLC task and RLC module.

An issue was discovered in Samsung Mobile Processor, Wearable Processor, Automotive Processor, and Modem (Exynos 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, W920, Modem 5123, Modem 5300, and Auto T5123). Improper handling of a length parameter inconsistency can cause abnormal termination of a mobile phone. This occurs in the RLC task and RLC module.

An issue was discovered in Exynos Mobile Processor 980 and 2100. An integer overflow at a buffer index can prevent the execution of requested services via a crafted application.

An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application.

An issue was discovered in Samsung Exynos Mobile Processor and Wearable Processor (Exynos 980, Exynos 850, Exynos 2100, and Exynos W920). Improper handling of length parameter inconsistency can cause incorrect packet filtering.

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem (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, and Exynos Auto T5123). In the Shannon MM Task, Missing validation of a NULL pointer can cause abnormal termination via a malformed NR MM packet.

An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem (Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. In the NAS Task, an improperly implemented security check for standard can disallow desired services for a while via consecutive NAS messages.

An issue was discovered in Samsung Exynos Mobile Processor and Wearable Processor 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, and W920. Improper handling of PPP length parameter inconsistency can cause an infinite loop.

Use after free vulnerability in dsp_context_unload_graph function of DSP driver prior to SMR Apr-2022 Release 1 allows attackers to perform malicious actions.

Improper input validation in DSP driver prior to SMR Apr-2022 Release 1 allows out-of-bounds write by integer overflow.

A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.

A possible heap-based buffer overflow vulnerability in DSP kernel driver prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

Assuming system privilege is gained, possible buffer overflow vulnerabilities in the Vision DSP kernel driver prior to SMR Oct-2021 Release 1 allows privilege escalation to Root by hijacking loaded library.

An improper input validation vulnerability in DSP driver prior to SMR Sep-2021 Release 1 allows local attackers to get a limited kernel memory information.

An improper input validation vulnerability in loading graph file in DSP driver prior to SMR Sep-2021 Release 1 allows attackers to perform permanent denial of service on the device.

A possible buffer overflow vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write and code execution.

A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.

An improper input validation vulnerability in NPU firmware prior to SMR MAY-2021 Release 1 allows arbitrary memory write and code execution.