{"id":"PUB-A-192475653","details":"In onNullBinding of ManagedServices.java, there is a possible permission bypass due to an incorrectly unbound service. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-192475653","CVE-2021-0984"],"modified":"2026-09-24T20:28:40.724672881Z","published":"2021-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"spl":"2021-12-01","types":["EoP"],"vanir_signatures":[{"target":{"file":"services/core/java/com/android/server/notification/ManagedServices.java","function":"onNullBinding"},"deprecated":false,"digest":{"length":167,"function_hash":"238774345248562580172264236141630084402"},"id":"PUB-A-192475653-6569ac77","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3"},{"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3","target":{"function":"registerServiceLocked","file":"services/core/java/com/android/server/notification/ManagedServices.java"},"deprecated":false,"digest":{"function_hash":"237475718620824192536635296691531044694","length":3460},"id":"PUB-A-192475653-679563a5"},{"signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3","target":{"file":"services/core/java/com/android/server/notification/ManagedServices.java"},"deprecated":false,"digest":{"line_hashes":["100972045598536424117676405704869172807","321497472492031242723487439288624158482","338712200486368850583931550925437878257","337793588728295501160877314336902200538"],"threshold":0.9},"id":"PUB-A-192475653-bfddd2df","signature_type":"Line"}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/aaf8e1f3f4873756d9752c6abd52346551a03dd3"],"severity":"Moderate"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-192475653.json"}}],"schema_version":"1.9.0"}