{"id":"PUB-A-157650357","details":"In rw_i93_send_to_lower of rw_i93.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-157650357","CVE-2021-0548"],"modified":"2026-05-28T15:16:54.500952700Z","published":"2021-06-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-06-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/system/nfc/+/14331cf338d9078ecdd5c1aeb7c9d44b705e0144"}],"affected":[{"package":{"name":"platform/system/nfc","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2021-06-01"}]}],"versions":["11"],"ecosystem_specific":{"severity":"Moderate","types":["EoP"],"vanir_signatures":[{"digest":{"threshold":0.9,"line_hashes":["236478541848971608367355579749868908016","297506873988724218212587653623286873316","137332190083755097512770976647837848568","234852275915054898835103494819916860185","230157257563720888555979030667711721965","56094799140808690291712126572038728735","314468345784876594877429514339984928327"]},"id":"PUB-A-157650357-48ac4561","signature_version":"v1","signature_type":"Line","target":{"file":"src/nfc/tags/rw_i93.cc"},"deprecated":false,"source":"https://android.googlesource.com/platform/system/nfc/+/14331cf338d9078ecdd5c1aeb7c9d44b705e0144"},{"deprecated":false,"signature_version":"v1","id":"PUB-A-157650357-4c6c6ce3","signature_type":"Function","target":{"function":"rw_i93_send_to_lower","file":"src/nfc/tags/rw_i93.cc"},"source":"https://android.googlesource.com/platform/system/nfc/+/14331cf338d9078ecdd5c1aeb7c9d44b705e0144","digest":{"function_hash":"62212644360992255378997079556720221144","length":664}}],"spl":"2021-06-01","fixes":["https://android.googlesource.com/platform/system/nfc/+/14331cf338d9078ecdd5c1aeb7c9d44b705e0144"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-157650357.json"}}],"schema_version":"1.7.5"}