{"id":"PUB-A-229994861","details":"In HalCoreCallback of halcore.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure from the NFC firmware with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-229994861","CVE-2022-20527"],"modified":"2026-09-22T15:22:15.314525410Z","published":"2022-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/hardware/st/nfc/+/bf79f190c62886e457e13b030dd67d846958b3c6"}],"affected":[{"package":{"name":"platform/hardware/st/nfc","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2022-12-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/hardware/st/nfc/+/bf79f190c62886e457e13b030dd67d846958b3c6"],"severity":"Moderate","spl":"2022-12-01","types":["ID"],"vanir_signatures":[{"id":"PUB-A-229994861-33818c24","match_only_versions":["13"],"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/hardware/st/nfc/+/bf79f190c62886e457e13b030dd67d846958b3c6","target":{"file":"st21nfc/hal/halcore.cc"},"deprecated":false,"digest":{"line_hashes":["165744123791803713704763289471465043099","27783976174390821137820152893181231296","76791411373196050948003848164575001558","301341817714026765422772554170160352996"],"threshold":0.9}},{"target":{"function":"HalCoreCallback","file":"st21nfc/hal/halcore.cc"},"deprecated":false,"digest":{"function_hash":"90138370701600535322812863812506258764","length":1926},"id":"PUB-A-229994861-ddaf01cb","match_only_versions":["13"],"signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/hardware/st/nfc/+/bf79f190c62886e457e13b030dd67d846958b3c6"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-229994861.json"}}],"schema_version":"1.9.0"}