{"id":"ASB-A-245406696","details":"In multiple functions of extents.c, there is a possible out of bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-245406696","CVE-2022-0850"],"modified":"2026-03-11T06:23:05.066645Z","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/+/ce3aba43599f0"}],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2023-02-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"vanir_signatures":[{"signature_version":"v1","deprecated":false,"source":"https://android.googlesource.com/kernel/common/+/ce3aba43599f0","signature_type":"Line","target":{"file":"fs/ext4/extents.c"},"id":"ASB-A-245406696-163502d4","digest":{"line_hashes":["320798409341611166830814108508150255871","112857772578265157077974853171378863860","51319408034959105330974098697356017529","62227709865264296650074501689090221646","89496045483948728382626014586875216797","110022765742622761164213413285828158164","184586808288376308298158792635999809476","127359033965561290498045986322230088270","194799918441195152958042076887609734007","266555255397832427611064751693224850387","62120813187215708036004986929357462327","203296511091826565336955712105399805879"],"threshold":0.9}},{"signature_version":"v1","deprecated":false,"source":"https://android.googlesource.com/kernel/common/+/ce3aba43599f0","signature_type":"Function","target":{"file":"fs/ext4/extents.c","function":"ext4_ext_tree_init"},"id":"ASB-A-245406696-a64c2384","digest":{"function_hash":"108512274644312616448934776004964943115","length":257}},{"signature_version":"v1","deprecated":false,"source":"https://android.googlesource.com/kernel/common/+/ce3aba43599f0","signature_type":"Function","target":{"file":"fs/ext4/extents.c","function":"ext4_ext_split"},"id":"ASB-A-245406696-ba082be7","digest":{"function_hash":"208517607189020705050717253614082309300","length":5166}}],"types":["ID"],"severity":"High","fixes":["https://android.googlesource.com/kernel/common/+/ce3aba43599f0"],"spl":"2023-02-05"},"database_specific":{"source":"https://storage.googleapis.com/android-osv-test/ASB-A-245406696.json"}}],"schema_version":"1.7.5"}