{"id":"PUB-A-220738351","details":"In (TBD) of (TBD), there is a possible way to corrupt kernel memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-220738351","CVE-2022-20568"],"modified":"2026-05-29T15:55:33.750044621Z","published":"2022-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2022-12-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/bc80ea8a4296c4d75f7e3e27b65718cae09f20f1"}],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2022-12-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"vanir_signatures":[{"signature_type":"Line","id":"PUB-A-220738351-04fcee34","source":"https://android.googlesource.com/kernel/common/+/bc80ea8a4296c4d75f7e3e27b65718cae09f20f1","digest":{"line_hashes":["53554243285977009445241058032053674746","7125049686170939624856544760172891849","322493050432685491265115722998336088033","243084906520757196193095533494977015948","297068261339370114496024738951383122659","293848212678086232354619805874054528634","193210245299654786613574545910194724936","24232236702965942071285283687131851084"],"threshold":0.9},"target":{"file":"fs/io_uring.c"},"deprecated":false,"signature_version":"v1"},{"id":"PUB-A-220738351-e371351c","signature_version":"v1","source":"https://android.googlesource.com/kernel/common/+/bc80ea8a4296c4d75f7e3e27b65718cae09f20f1","signature_type":"Function","digest":{"function_hash":"223266524461376812538607438725053161285","length":397},"deprecated":false,"target":{"function":"io_statx","file":"fs/io_uring.c"}}],"types":["EoP"],"spl":"2022-12-05","severity":"Moderate","fixes":["https://android.googlesource.com/kernel/common/+/bc80ea8a4296c4d75f7e3e27b65718cae09f20f1"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-220738351.json"}}],"schema_version":"1.7.5"}