{"schema_version":"1.9.0","id":"PUB-A-183840542","published":"2021-07-01T00:00:00Z","modified":"2026-09-10T15:43:18.983809180Z","aliases":["A-183840542","CVE-2020-27170"],"affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2021-07-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/kernel/common/+/f232326f6966cf2a1d1db7bc917a4ce5f9f55f76"],"severity":"Moderate","spl":"2021-07-05","types":["ID"],"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"237130632320402287915129151404081062765","length":5441},"id":"PUB-A-183840542-3962f01a","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/kernel/common/+/f232326f6966cf2a1d1db7bc917a4ce5f9f55f76","target":{"file":"kernel/bpf/verifier.c","function":"adjust_ptr_min_max_vals"}},{"deprecated":false,"digest":{"function_hash":"126604541501675336527789420133705707050","length":794},"id":"PUB-A-183840542-9867730b","signature_type":"Function","signature_version":"v1","source":"https://android.googlesource.com/kernel/common/+/f232326f6966cf2a1d1db7bc917a4ce5f9f55f76","target":{"file":"kernel/bpf/verifier.c","function":"sanitize_ptr_alu"}},{"deprecated":false,"digest":{"line_hashes":["180841455783467795703113496782457871887","257118614456417926188133659900788839136","41267845175258279825760507167262690422","267550527190971643769709544694719177311","193364546096840881381987074053673846899","90775551709057973830812023933835910174","293601627608731108426224748917287833895","10302977814231104138253932061413931264","73855573104132816649585704312571781685","212977572650590932963696887885226430361","197031968747589241251011319380157669827","74026223800702950218727260142262351038","177074576170073475048763707036330724157","268442762844796854166947313042000660647","78062727873476785052765981134524948244","260945562594781714439086855982511255926","321784044010973627583827317091953873833","294876745742643239529054088476793699695","4950608528543534548819516620256605021"],"threshold":0.9},"id":"PUB-A-183840542-ae1cb6cc","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/kernel/common/+/f232326f6966cf2a1d1db7bc917a4ce5f9f55f76","target":{"file":"kernel/bpf/verifier.c"}}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-183840542.json"}}],"references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-07-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/f232326f6966cf2a1d1db7bc917a4ce5f9f55f76"}]}