CVE-2023-6040 An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family)

Api.Msrc.Microsoft • February 18, 2026

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Multiple CVEs Affecting netfilter Components Announced Four new Common Vulnerabilities and Exposures (CVEs) related to netfilter components have been published. The vulnerabilities include issues with lookup table allocation, maximum map bucket size, data validation, and struct initialization, affecting various aspects of network filtering. The CVEs are CVE-2025-21959, CVE-2025-38162, CVE-2025-38201, and CVE-2024-42070. 11 sources 39

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