In smmu_domain_config_s1 of arm-smmu-v3.c, there is a possible way to access stale stream table...

In smmu_domain_config_s1 of arm-smmu-v3.c, there is a possible way to access stale stream table entries across reassigned stream identifiers due to a logic error. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.