{"api_version":"1","generated_at":"2026-04-22T23:52:39+00:00","cve":"CVE-2023-1076","urls":{"html":"https://cve.report/CVE-2023-1076","api":"https://cve.report/api/cve/CVE-2023-1076.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-1076","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-1076"},"summary":{"title":"CVE-2023-1076","description":"A flaw was found in the Linux Kernel. The tun/tap sockets have their socket UID hardcoded to 0 due to a type confusion in their initialization function. While it will be often correct, as tuntap devices require CAP_NET_ADMIN, it may not always be the case, e.g., a non-root user only having that capability. 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This would make tun/tap sockets being incorrectly treated in filtering/routing decisions, possibly bypassing network filters."}]}},"nvd":{"publishedDate":"2023-03-27 21:15:00","lastModifiedDate":"2023-05-03 01:15:00","problem_types":["CWE-843"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}