{"id":"ASB-A-248354871","details":"In move_page_tables of mremap.c, there is a possible memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-248354871","CVE-2022-41222"],"modified":"2026-03-11T06:24:52.274654Z","published":"2023-02-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-02-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/482efd771f45b37a7da107bd8289b52164574aaa"}],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2023-02-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"types":["EoP"],"spl":"2023-02-05","fixes":["https://android.googlesource.com/kernel/common/+/482efd771f45b37a7da107bd8289b52164574aaa"],"severity":"High","vanir_signatures":[{"source":"https://android.googlesource.com/kernel/common/+/482efd771f45b37a7da107bd8289b52164574aaa","signature_version":"v1","deprecated":false,"signature_type":"Line","id":"ASB-A-248354871-5eb75419","digest":{"threshold":0.9,"line_hashes":["293107523006782170342915766364617741132","87401739677635330013171271437987579335","272868140249575172420209188219706328104","57217362785488302902076346287567644741","170519029266228521037673515456124853246","197828024005851044805461510354402357464","177013223675664145722138003685396137488","166769226735134007421445708649935597014","319197634151073473554883714877649405961"]},"target":{"file":"mm/mremap.c"}},{"source":"https://android.googlesource.com/kernel/common/+/482efd771f45b37a7da107bd8289b52164574aaa","signature_version":"v1","deprecated":false,"signature_type":"Function","id":"ASB-A-248354871-fc1b86b7","digest":{"function_hash":"227370452252118767884237206931649063740","length":1550},"target":{"function":"move_page_tables","file":"mm/mremap.c"}}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv-test/ASB-A-248354871.json"}}],"schema_version":"1.7.5"}