{"id":"ASB-A-291999952","details":"    In PMRChangeSparseMemOSMem of physmem_osmem_linux.c, there is a possible\n    arbitrary code execution due to a use after free. This could lead to local\n    escalation of privilege in the kernel with no additional execution\n    privileges needed. User interaction is not needed for exploitation.","aliases":["A-291999952","CVE-2023-21216"],"modified":"2026-05-01T15:24:27.653932Z","published":"2023-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-12-01"}],"affected":[{"package":{"name":":unknown:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2023-12-05"}]}],"versions":["SoCVersion"],"ecosystem_specific":{"spl":"2023-12-05","types":["EoP"],"severity":"High"},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-291999952.json"}}],"schema_version":"1.7.5"}