{"api_version":"1","generated_at":"2026-04-22T23:52:40+00:00","cve":"CVE-2023-4206","urls":{"html":"https://cve.report/CVE-2023-4206","api":"https://cve.report/api/cve/CVE-2023-4206.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-4206","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4206"},"summary":{"title":"CVE-2023-4206","description":"A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local privilege escalation.\n\nWhen route4_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. 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