The Trusted Execution Environment (TEE) module driver of Mate 9 and Mate 9 Pro smart phones with software versions earlier than MHA-AL00BC00B221 and versions earlier than LON-AL00BC00B221 has a use after free (UAF) vulnerability. An attacker tricks a user into installing a malicious application, and the application can start multiple threads and try to create and free specific memory, which could triggers access memory after free it and causes a system crash or arbitrary code execution.
[
{
"product": "Mate 9, Mate 9 Pro",
"vendor": "Huawei Technologies Co., Ltd.",
"versions": [
{
"status": "affected",
"version": "Versions earlier than MHA-AL00BC00B221, Versions earlier than LON-AL00BC00B221"
}
]
}
]