{"id":"ASB-A-174259860","details":"In kbase_mem_from_user_buffer of mali_kbase_mem_linux.c, there is a possible remapping of shared read-only memory as write-able due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-174259860","CVE-2021-28663"],"modified":"2026-04-21T15:25:42.831358Z","published":"2021-05-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-05-01"}],"affected":[{"package":{"name":":unknown:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2021-05-05"}]}],"versions":["SoCVersion"],"ecosystem_specific":{"spl":"2021-05-05","severity":"High","types":["Unknown"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-174259860.json"}}],"schema_version":"1.7.5"}