{"schema_version":"1.9.0","id":"ASB-A-174904512","published":"2021-06-01T00:00:00Z","modified":"2026-09-10T15:43:18.983809180Z","aliases":["A-174904512","CVE-2020-14305"],"details":"In nf_conntrack_helper_q931 of nf_conntrack_h323_main.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.","affected":[{"package":{"name":":linux_kernel:","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":":0"},{"fixed":":2021-06-05"}]}],"versions":["Kernel"],"ecosystem_specific":{"fixes":["https://android.googlesource.com/kernel/common/+/396ba2fc4f27ef6c44bbc0098bfddf4da76dc4c9"],"severity":"High","spl":"2021-06-05","types":["EoP"],"vanir_signatures":[{"deprecated":true,"digest":{"line_hashes":["236472113983263375503750682828725632157","137951220192068196162866587713860893203","67740364489710039005149358498670798563","224464401093644057874143499389546186097"],"threshold":0.9},"id":"ASB-A-174904512-6b5e7136","signature_type":"Line","signature_version":"v1","source":"https://android.googlesource.com/kernel/common/+/396ba2fc4f27ef6c44bbc0098bfddf4da76dc4c9","target":{"file":"net/netfilter/nf_conntrack_h323_main.c"}}]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-174904512.json"}}],"references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-06-01"},{"type":"FIX","url":"https://android.googlesource.com/kernel/common/+/396ba2fc4f27ef6c44bbc0098bfddf4da76dc4c9"}]}