{"id":"ASB-A-155485360", "published":"2020-08-01T00:00:00Z", "modified":"2026-07-09T15:25:53.339171538Z", "aliases":["CVE-2020-0255", "A-155485360"], "details":"In selinux_netlink_send of hooks.c, there is a possible permission bypass 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.", "affected":[{"package":{"name":":linux_kernel:", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":":0"}, {"fixed":":2020-08-05"}]}], "versions":["Kernel"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/kernel/common/+/fb73974172ff"], "severity":"High", "spl":"2020-08-05", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"line_hashes":["104471994260832224149867289291702729437", "15427858976643449928959236234597610935", "186273446759242020169706550879420399166", "260311420903135200131097256487986536940", "30316534737031797741665498459727086440", "59768788526619064205587924327545158311", "94873596465578995111353778953133629938", "303585053866067647902247540128843569967", "56390283915181291686015259113854169434", "101309589515819082738420247379541418092", "21331451479343323602527690615506825377", "137404570670346265436578355353855434061", "1089271003591064136852337787482746097", "147502935350520673131192937122125799028", "199067455425575587313322804101258795374", "306070861118505855178740525639601206601", "2044340355788310802725872039369865993", "240875287783363983639426169977464501507", "113481057044383204032358442910482441172", "316480780260237664049813370448149755763", "159499630207422466502666139146903776809", "284912077553191078609392431994033671118", "175944036750446049110050443385001942004", "64887305713650589439865403011214221170", "222298714953219898015816211759041773966", "149236663775179910675331326154544392915", "278206329369051238110270538459026182213", "258793471022636976607956655174183376240", "23018173293669035097053308146826687343", "335710941357812959271003027944281607194", "32258447577084968825761457825511118090"], "threshold":0.9}, "id":"ASB-A-155485360-00b5d460", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/fb73974172ff", "target":{"file":"security/selinux/hooks.c"}}, {"deprecated":false, "digest":{"function_hash":"333914485971026804027125169973024446332", "length":778}, "id":"ASB-A-155485360-3d22c22a", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/fb73974172ff", "target":{"file":"security/selinux/hooks.c", "function":"selinux_netlink_send"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2020-08-01"}, {"type":"FIX", "url":"http://android.googlesource.com/kernel/common/+/fb73974172ff"}]}