{"id":"CVE-2018-9439","aliases":["EUVD-2018-21033","GHSA-ccc5-2pmp-ch3g"],"status":"published","title":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after...","description":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00083,"percentile":0.00221,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2024-12-04T23:37:42Z","modified":"2026-06-17T02:06:40Z","products":[{"vendor":"google","product":"android"},{"vendor":"google","product":"pixel"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2018-08-01","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9439"},{"url":"https://github.com/advisories/GHSA-ccc5-2pmp-ch3g"}],"sources":{"cve":[{"id":"CVE-2018-9439","description":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation.","status":"published","published":"2024-12-04T23:37:42.619Z","modified":"2024-12-05T15:33:21.903Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-21033","description":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation.","status":"published","published":"2024-12-04T23:37:42Z","modified":"2024-12-05T15:33:21Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:40.064683Z"}],"ghsa":[{"id":"GHSA-ccc5-2pmp-ch3g","title":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after...","description":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation.","status":"published","published":"2024-12-05T00:34:59Z","modified":"2024-12-05T18:32:07Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:59:03.217136Z"}],"nvd":[{"id":"CVE-2018-9439","description":"In __unregister_prot_hook and packet_release of af_packet.c, there is a\n    possible use-after-free due to improper locking. This could lead to local\n    escalation of privilege in the kernel with System execution privileges\n    needed. User interaction is not needed for exploitation.","status":"published","published":"2024-12-05T00:15:18.337Z","modified":"2026-06-17T02:06:40.907Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:00.914771Z"}]}}