{"id":"ASB-A-261723753","details":"In PreferencesHelper.java, an uncaught exception may cause the device to get stuck in a boot loop. This could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-261723753","CVE-2023-21087"],"modified":"2026-09-21T16:00:45.521740994Z","published":"2023-07-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-07-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/frameworks/base/+/4c2c027334672bb4a5fba4880a5536a3bce4e085"}],"affected":[{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-07-01"}]}],"versions":["13-next"],"ecosystem_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["17172546349687306146764177581615796632","144857827867469589767378994443022019159","314966775073537382353268459073950728497","40761297176760039341387070764727993301"],"threshold":0.9},"id":"ASB-A-261723753-e8f9ebaf","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/86441bd5c07c65021728748472fa6a28eaf162d0","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/86441bd5c07c65021728748472fa6a28eaf162d0"],"severity":"High","spl":"2023-07-01","types":["DoS"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-261723753.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2023-07-01"}]}],"versions":["11"],"ecosystem_specific":{"severity":"High","spl":"2023-07-01","types":["DoS"],"vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["155348199709787115944160061244060492090","8557699418637963688535081754431662406","316388979166894522472593252118631351348","77370754088757487441147562591448147954"],"threshold":0.9},"id":"ASB-A-261723753-290c76ae","match_only_versions":["11"],"signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/5664378a7cac48184ec0702a41aaed0677d41136","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"}},{"id":"ASB-A-261723753-770365dd","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0f29716ab6fbf236e5d8f688bcdfdadf32429545","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java","function":"readXml"},"deprecated":false,"digest":{"length":4940,"function_hash":"25277519309193045343219980751733957753"}},{"deprecated":false,"digest":{"function_hash":"154389685060191707306043638155132659178","length":1179},"id":"ASB-A-261723753-9016dae8","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0f29716ab6fbf236e5d8f688bcdfdadf32429545","target":{"function":"createNotificationChannelGroup","file":"services/core/java/com/android/server/notification/PreferencesHelper.java"}},{"id":"ASB-A-261723753-a47e8a24","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0f29716ab6fbf236e5d8f688bcdfdadf32429545","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"},"deprecated":false,"digest":{"line_hashes":["17449676190573542466631081769697285205","261420479924190779313311522506908789796","140625957613190109810105311449968894466","167031959439128374951237651286786797615","37643552596611138344663046302619437404","196743529192485195053277158544984301790","202242521017499234883027191576573446212","129796892121331845324278144194616721046","158900939070428617732404325899902702387","24493877307784879816107433076195222108","166182371834460908885308086775164381989","44527797862704030040149012167640289228","94642458531071946147625939981735366108","312484065945080682022410269406909688993","165594540568964192667031981327745068106","140767938060665798446646317601485252776"],"threshold":0.9}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/0f29716ab6fbf236e5d8f688bcdfdadf32429545","https://android.googlesource.com/platform/frameworks/base/+/5664378a7cac48184ec0702a41aaed0677d41136"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-261723753.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-07-01"}]}],"versions":["12"],"ecosystem_specific":{"spl":"2023-07-01","types":["DoS"],"vanir_signatures":[{"target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["155348199709787115944160061244060492090","290161198333100939996721323172810462679","228214646634578708237333731587034475086","263397724378918119525504693722684019394","37643552596611138344663046302619437404","196743529192485195053277158544984301790","202242521017499234883027191576573446212","129796892121331845324278144194616721046","158900939070428617732404325899902702387","24493877307784879816107433076195222108","166182371834460908885308086775164381989","44527797862704030040149012167640289228","94642458531071946147625939981735366108","312484065945080682022410269406909688993","165594540568964192667031981327745068106","140767938060665798446646317601485252776"]},"id":"ASB-A-261723753-46127179","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/38257af19e18d19075483dfa351c7e5cbb9cbf75"},{"deprecated":false,"digest":{"function_hash":"75401566855827241476091985175730625928","length":1155},"id":"ASB-A-261723753-5bef855f","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/38257af19e18d19075483dfa351c7e5cbb9cbf75","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java","function":"createNotificationChannelGroup"}},{"id":"ASB-A-261723753-92edf596","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/38257af19e18d19075483dfa351c7e5cbb9cbf75","target":{"function":"readXml","file":"services/core/java/com/android/server/notification/PreferencesHelper.java"},"deprecated":false,"digest":{"function_hash":"124705959248561110929115589367270293655","length":4870}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/38257af19e18d19075483dfa351c7e5cbb9cbf75"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-261723753.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-07-01"}]}],"versions":["12L"],"ecosystem_specific":{"spl":"2023-07-01","types":["DoS"],"vanir_signatures":[{"id":"ASB-A-261723753-3a927990","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/44440649c42cdbea351003dbc1fec98991e00a8b","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"},"deprecated":false,"digest":{"line_hashes":["155348199709787115944160061244060492090","290161198333100939996721323172810462679","228214646634578708237333731587034475086","263397724378918119525504693722684019394","37643552596611138344663046302619437404","196743529192485195053277158544984301790","202242521017499234883027191576573446212","129796892121331845324278144194616721046","158900939070428617732404325899902702387","24493877307784879816107433076195222108","166182371834460908885308086775164381989","44527797862704030040149012167640289228","94642458531071946147625939981735366108","312484065945080682022410269406909688993","165594540568964192667031981327745068106","140767938060665798446646317601485252776"],"threshold":0.9}},{"digest":{"function_hash":"75401566855827241476091985175730625928","length":1155},"id":"ASB-A-261723753-5537eda8","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/44440649c42cdbea351003dbc1fec98991e00a8b","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java","function":"createNotificationChannelGroup"},"deprecated":false},{"deprecated":false,"digest":{"function_hash":"120668173329935026371620503463820441534","length":4846},"id":"ASB-A-261723753-de856a89","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/44440649c42cdbea351003dbc1fec98991e00a8b","target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java","function":"readXml"}}],"fixes":["https://android.googlesource.com/platform/frameworks/base/+/44440649c42cdbea351003dbc1fec98991e00a8b"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-261723753.json"}},{"package":{"name":"platform/frameworks/base","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-07-01"}]}],"versions":["13"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/0c94ea393926869f8f620854b58548d7a139ac1f"],"severity":"High","spl":"2023-07-01","types":["DoS"],"vanir_signatures":[{"target":{"file":"services/core/java/com/android/server/notification/PreferencesHelper.java"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["17172546349687306146764177581615796632","144857827867469589767378994443022019159","314966775073537382353268459073950728497","40761297176760039341387070764727993301"]},"id":"ASB-A-261723753-2a344085","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/platform/frameworks/base/+/0c94ea393926869f8f620854b58548d7a139ac1f"}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-261723753.json"}}],"schema_version":"1.9.0"}