{"cve_id":"CVE-2021-0920","published":"2021-12-15T19:15:11.017000+00:00","last_modified":"2026-06-17T03:30:39.430000+00:00","vuln_status":"Analyzed","description":"In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","base_score":6.4,"base_severity":"MEDIUM","attack_vector":"LOCAL","privileges_req":"HIGH","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-362","CWE-416"],"in_kev":true,"kev_date_added":"2022-05-23","kev_ransomware":false,"epss_score":0.00867,"epss_percentile":0.58746,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"PRIV","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["CODE_EXEC","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:53:54.929472+00:00","first_seen":"2021-12-15T19:15:11.017000+00:00","kev_first_seen":"2022-05-23T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["debian","google","linux"],"products":["android","debian_linux","linux_kernel"],"affected":[{"vendor":"debian","product":"debian_linux","ranges":["9.0"]},{"vendor":"google","product":"android","ranges":["all versions"]},{"vendor":"linux","product":"linux_kernel","ranges":["≤ 5.13","5.14"]}]}