{"id":"PUB-A-233879420","details":"In btm_ble_periodic_adv_sync_tx_rcvd of btm_ble_gap.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure over Bluetooth, if the firmware were compromised with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-233879420","CVE-2023-21195"],"modified":"2026-09-21T16:00:45.521740994Z","published":"2023-06-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-06-01"}],"affected":[{"package":{"name":"platform/packages/modules/Bluetooth","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-06-01"}]}],"versions":["13-next"],"ecosystem_specific":{"severity":"Moderate","spl":"2023-06-01","types":["ID"],"vanir_signatures":[{"id":"PUB-A-233879420-65d027f4","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e","target":{"file":"system/stack/btm/btm_ble_gap.cc","function":"btm_ble_periodic_adv_sync_tx_rcvd"},"deprecated":false,"digest":{"length":911,"function_hash":"9734284806166279611532425786886860839"}},{"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e","target":{"file":"system/stack/btm/btm_ble_gap.cc"},"deprecated":false,"digest":{"line_hashes":["12180466636009877081140075978036783298","259494905804513965146537322985086677400","177546198287980186047177872465296668845","138319199451196251815562648097894612956"],"threshold":0.9},"id":"PUB-A-233879420-a354a030"}],"fixes":["https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-233879420.json"}},{"package":{"name":"platform/packages/modules/Bluetooth","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-06-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e"],"severity":"Moderate","spl":"2023-06-01","types":["ID"],"vanir_signatures":[{"signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e","target":{"file":"system/stack/btm/btm_ble_gap.cc"},"deprecated":false,"digest":{"line_hashes":["12180466636009877081140075978036783298","259494905804513965146537322985086677400","177546198287980186047177872465296668845","138319199451196251815562648097894612956"],"threshold":0.9},"id":"PUB-A-233879420-64745ecc","signature_type":"Line"},{"digest":{"function_hash":"9734284806166279611532425786886860839","length":911},"id":"PUB-A-233879420-b1b739f9","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/a24402da0f0a0d159d5d4ce178a18a2b5556fa3e","target":{"function":"btm_ble_periodic_adv_sync_tx_rcvd","file":"system/stack/btm/btm_ble_gap.cc"},"deprecated":false}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-233879420.json"}}],"schema_version":"1.9.0"}