{"api_version":"1","generated_at":"2026-07-24T19:58:54+00:00","cve":"CVE-2023-3106","urls":{"html":"https://cve.report/CVE-2023-3106","api":"https://cve.report/api/cve/CVE-2023-3106.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-3106","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-3106"},"summary":{"title":"CVE-2023-3106","description":"A NULL pointer dereference vulnerability was found in netlink_dump. This issue can occur when the Netlink socket receives the message(sendmsg) for the XFRM_MSG_GETSA, XFRM_MSG_GETPOLICY type message, and the DUMP flag is set and can cause a denial of service or possibly another unspecified impact. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is unlikely.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2023-07-12 09:15:00","updated_at":"2023-11-07 04:17:00"},"problem_types":["CWE-476"],"metrics":[],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-3106","name":"https://access.redhat.com/security/cve/CVE-2023-3106","refsource":"MISC","tags":[],"title":"cve-details","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/torvalds/linux/commit/1ba5bf993c6a3142e18e68ea6452b347f9cb5635","name":"https://github.com/torvalds/linux/commit/1ba5bf993c6a3142e18e68ea6452b347f9cb5635","refsource":"MISC","tags":[],"title":"xfrm: fix crash in XFRM_MSG_GETSA netlink handler · torvalds/linux@1ba5bf9 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2221501","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2221501","refsource":"MISC","tags":[],"title":"2221501 – (CVE-2023-3106) CVE-2023-3106 kernel: Netlink socket crash (null pointer deref) in netlink_dump function","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-3106","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3106","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"38","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"3106","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"4.8","cpe7":"rc6","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-3106","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A NULL pointer dereference vulnerability was found in netlink_dump. This issue can occur when the Netlink socket receives the message(sendmsg) for the XFRM_MSG_GETSA, XFRM_MSG_GETPOLICY type message, and the DUMP flag is set and can cause a denial of service or possibly another unspecified impact. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although it is unlikely."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"NULL Pointer Dereference","cweId":"CWE-476"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"kernel","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"versions":[{"version":"4.8-rc7","status":"unaffected"}]}}]}}]}},{"vendor_name":"Red Hat","product":{"product_data":[{"product_name":"Red Hat Enterprise Linux 6","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}},{"product_name":"Red Hat Enterprise Linux 7","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unknown"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unknown"}}]}},{"product_name":"Red Hat Enterprise Linux 8","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}},{"product_name":"Red Hat Enterprise Linux 9","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}},{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"unaffected"}}]}}]}},{"vendor_name":"Fedora","product":{"product_data":[{"product_name":"Fedora","version":{"version_data":[{"version_value":"not down converted","x_cve_json_5_version_data":{"defaultStatus":"affected"}}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/security/cve/CVE-2023-3106","refsource":"MISC","name":"https://access.redhat.com/security/cve/CVE-2023-3106"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2221501","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2221501"},{"url":"https://github.com/torvalds/linux/commit/1ba5bf993c6a3142e18e68ea6452b347f9cb5635","refsource":"MISC","name":"https://github.com/torvalds/linux/commit/1ba5bf993c6a3142e18e68ea6452b347f9cb5635"}]},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H","version":"3.1"}]}},"nvd":{"publishedDate":"2023-07-12 09:15:00","lastModifiedDate":"2023-11-07 04:17:00","problem_types":["CWE-476"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc6:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc5:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc4:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc3:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc2:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:4.8:rc1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.8","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}