{"id":"PUB-A-234859169","details":"In ppmp_unprotect_mfcfw_buf of drm_fw.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege in S-EL1 with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-234859169","CVE-2022-20583"],"modified":"2026-09-22T15:22:15.314525410Z","published":"2022-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-12-01"}],"affected":[{"package":{"name":":unknown:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2022-12-05"}]}],"versions":["Pixel-family specific"],"ecosystem_specific":{"severity":"Critical","spl":"2022-12-05","types":["EoP"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-234859169.json"}}],"schema_version":"1.9.0"}