CVE-2026-64523
CriticalExploitation Probability (EPSS)
Elevated risk51th percentile - higher than 51% of all known CVEs
Summary
W jądrze Linuxa, w mechanizmie net/handshake, brakowało długotrwałego odwołania do pliku (file reference) podczas przetwarzania żądania uścisku dłoni. Używanie sock_hold() nie chroniło struktury socket przed zniszczeniem przez konsumenta, co mogło prowadzić do użycia po zwolnieniu.
Risk Assessment
Organizacja może być narażona na awarie lub potencjalne luki bezpieczeństwa w komunikacji sieciowej wykorzystującej TLS lub inne protokoły uścisku dłoni.
Recommendation
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Vulnerability data from NVD (NIST) · CISA KEV · EPSS

