{"api_version":"1","generated_at":"2026-04-22T23:52:39+00:00","cve":"CVE-2023-0461","urls":{"html":"https://cve.report/CVE-2023-0461","api":"https://cve.report/api/cve/CVE-2023-0461.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-0461","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-0461"},"summary":{"title":"CVE-2023-0461","description":"There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.\n\nThere is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.\n\nWhen CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. 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