CVE-2014-7284

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net/core/utils.c en el kernel de Linux 3.13.x y 3.14.x anterior a 3.14.5 en ciertos procedesadores Intel no realiza la operaci\u00f3n de ruta lenta para inicializar semillas aleatorias, lo que facilita a atacantes remotos suplantar o interrumpir la comunicaci\u00f3n IP mediante el aprovechamiento de la previsibilidad de n\u00fameros de secuencias TCP, n\u00fameros de puertos TCP y UDP, y valores de ID IP."}], "id": "CVE-2014-7284", "lastModified": "2026-06-17T00:14:41.557", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", 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{"bugzilla": {"description": "kernel: randomness degradation due to bug in net_get_random_once()", "id": "1148788", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1148788"}, "csaw": false, "cvss": {"cvss_base_score": "5.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "status": "draft"}, "cwe": "CWE-456->CWE-331", "details": ["The net_get_random_once implementation in net/core/utils.c in the Linux kernel 3.13.x and 3.14.x before 3.14.5 on certain Intel processors does not perform the intended slow-path operation to initialize random seeds, which makes it easier for remote attackers to spoof or disrupt IP communication by leveraging the predictability of TCP sequence numbers, TCP and UDP port numbers, and IP ID values."], "name": "CVE-2014-7284", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2014-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-7284\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-7284"], "statement": "Not vulnerable.\nThis issue does not affect the Linux kernel packages as shipped with Red Hat\nEnterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.", "threat_severity": "Important"}

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