{"id":"PUB-A-246749936", "published":"2023-03-01T00:00:00Z", "modified":"2026-05-01T15:24:27.653932157Z", "aliases":["CVE-2023-20998", "A-246749936"], "details":"In multiple locations, there is a possible way to trigger a persistent reboot loop due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/frameworks/base", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13:0"}, {"fixed":"13:2023-03-01"}]}], "versions":["13"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9"], "severity":"Moderate", "spl":"2023-03-01", "types":["DoS"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["333909502572637350254575411617029527565", "71119825256875954793588215558956123656", "183636523337613638614260686233165493483", "260757368009967888633462593031057031062"], "threshold":0.9}, "id":"PUB-A-246749936-0e4f50d7", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"services/core/java/com/android/server/pm/PackageManagerService.java"}}, {"deprecated":false, "digest":{"line_hashes":["279912400626022739138427290625382397145", "132826694883517297373598954230676465802", "121876994837889994575555354132856331238", "306689344806679354061660248634602379314", "167720786307100582346939081219941766805", "53254870991677183784443954544874008036", "12675648155970293321718287878686190954", "209025369150670861404556002964603713688"], "threshold":0.9}, "id":"PUB-A-246749936-56bb019d", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"services/core/java/com/android/server/pm/PreferredActivityHelper.java"}}, {"deprecated":false, "digest":{"line_hashes":["185172673667394821057040888178185855686", "168755391003902483147454097930233846694", "118359020763303613638789440506146290863", "254443724483560403493984571636500727978"], "threshold":0.9}, "id":"PUB-A-246749936-5d216730", "match_only_versions":["13"], "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"core/java/android/os/PatternMatcher.java"}}, {"deprecated":false, "digest":{"line_hashes":["244099178048703686799889249578382494630", "87757709127002976124648166301533588272", "263073503298371768976632595349144114364"], "threshold":0.9}, "id":"PUB-A-246749936-69bd56a6", "match_only_versions":["13"], "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"core/java/android/content/IntentFilter.java"}}, {"deprecated":false, "digest":{"function_hash":"233316096577551699801006799542387108229", "length":950}, "id":"PUB-A-246749936-b5f05252", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"services/core/java/com/android/server/pm/PackageManagerService.java", "function":"addCrossProfileIntentFilter"}}, {"deprecated":false, "digest":{"line_hashes":["28765179891852124875360932244760138810", "107881260498526304342166441944131280985", "320716616228806852363083062970979268624"], "threshold":0.9}, "id":"PUB-A-246749936-da996657", "match_only_versions":["13"], "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"services/core/java/com/android/server/pm/WatchedIntentFilter.java"}}, {"deprecated":false, "digest":{"function_hash":"327553553477137823602492266032538602024", "length":824}, "id":"PUB-A-246749936-e3ac8b95", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9", "target":{"file":"services/core/java/com/android/server/pm/PreferredActivityHelper.java", "function":"addPersistentPreferredActivity"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2023-03-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/frameworks/base/+/f98c2232a8ea3312cddd202577c25c4436e1afd9"}]}