CVE-2022-40761 Information

Description

The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout related to utee_cryp_obj_alloc.

Reference

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248 https://github.com/Samsung/mTower/issues/83 https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109