CVE’s

An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.

An information disclosure vulnerability in Widevine TA log prior to SMR Oct-2021 Release 1 allows attackers to bypass the ASLR protection mechanism in TEE.

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 a shell privilege is gained, an improper exception handling for multi_sim_bar_show_on_qspanel value in SystemUI prior to SMR Oct-2021 Release 1 allows an attacker to cause a permanent denial of service in user device before factory reset.

Assuming a shell privilege is gained, an improper exception handling for multi_sim_bar_hide_by_meadia_full value in SystemUI prior to SMR Oct-2021 Release 1 allows an attacker to cause a permanent denial of service in user device before factory reset.

An improper access control vulnerability in BluetoothSettingsProvider prior to SMR Oct-2021 Release 1 allows untrusted application to overwrite some Bluetooth information.

A lack of replay attack protection in Security Mode Command process prior to SMR Oct-2021 Release 1 can lead to denial of service on mobile network connection and battery depletion.

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

A possible stack-based buffer overflow vulnerability in Widevine trustlet prior to SMR Oct-2021 Release 1 allows arbitrary code execution.

A possible guessing and confirming a byte memory vulnerability in Widevine trustlet prior to SMR Oct-2021 Release 1 allows attackers to read arbitrary memory address.