{"cve":{"cve_id":"CVE-2018-14619","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00426,"epss_percentile":0.33976,"epss_as_of":"2026-06-23","description":"A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The \"null skcipher\" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.","published_at":"2018-08-30T12:00:00Z","last_modified_at":null,"cvss_v3_score":6.2,"cvss_v3_vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-416"],"nvd_references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b32a7dc8aef1882fbf983eb354837488cc9d54dc","https://access.redhat.com/errata/RHSA-2018:2948","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0013","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619","http://www.securityfocus.com/bid/105200"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:10:49.829249Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"unknown","vendor_name":"Unknown","product_slug":"kernel","product_name":"kernel","version_start":"kernel-4.15-rc4","version_start_inclusive":true,"version_end":"kernel-4.15-rc4","version_end_inclusive":true,"cpe23_uri":"cve5:unknown:kernel:kernel-4.15-rc4:kernel-4.15-rc4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b32a7dc8aef1882fbf983eb354837488cc9d54dc","source_type":"MISC","tags":["patch"]},{"url":"https://access.redhat.com/errata/RHSA-2018:2948","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0013","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/105200","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2018-08-30T12:00:00Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T16:57:39.287702Z","label":"CVSS score revised","source":"cvelistv5"}]}