{"id":"PUB-A-239873326","details":"In lwis_allocator_init of lwis_allocator.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-239873326","CVE-2023-21042"],"modified":"2026-05-29T15:55:33.750044621Z","published":"2023-03-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-03-01"}],"affected":[{"package":{"name":":unknown:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2023-03-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"spl":"2023-03-05","severity":"Moderate","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-239873326.json"}}],"schema_version":"1.7.5"}