In smmu_attach_dev of arm-smmu-v3.c, there is a possible way to sign malicious Android Runtime bootclass artifacts due to a missing permiss…

In smmu_attach_dev of arm-smmu-v3.c, there is a possible way to sign malicious Android Runtime bootclass artifacts due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.