{"api_version":"1","generated_at":"2026-04-23T18:36:43+00:00","cve":"CVE-2023-2235","urls":{"html":"https://cve.report/CVE-2023-2235","api":"https://cve.report/api/cve/CVE-2023-2235.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-2235","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-2235"},"summary":{"title":"CVE-2023-2235","description":"A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privilege escalation.\n\nThe perf_group_detach function did not check the event's siblings' attach_state before calling add_event_to_groups(), but remove_on_exec made it possible to call list_del_event() on before detaching from their group, making it possible to use a dangling pointer causing a use-after-free vulnerability.\n\nWe recommend upgrading past commit fd0815f632c24878e325821943edccc7fde947a2.","state":"PUBLIC","assigner":"security@google.com","published_at":"2023-05-01 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