CVE-2017-6214

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5D57D8B-3072-44A1-88FE-58FB0A730057", "versionEndIncluding": "4.9.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag."}, {"lang": "es", "value": "La funci\u00f3n tcp_splice_read en net/ipv4/tcp.c en el kernel de Linux en versiones anteriores a 4.9.11 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (bucle infinito y bloqueo d\u00e9bil) a trav\u00e9s de vectores que involucran un paquete TCP con la bandera URG."}], "id": "CVE-2017-6214", "lastModified": "2026-06-17T01:21:57.393", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-02-23T17:59:00.143", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2017/dsa-3804"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/96421"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1037897"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2017:1372"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2017:1615"}, 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"vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2017:1372", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-696.3.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-05-30T00:00:00Z"}, {"advisory": "RHSA-2017:1616", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-514.26.1.rt56.442.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-06-28T00:00:00Z"}, {"advisory": "RHSA-2017:1615", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-514.26.1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-06-28T00:00:00Z"}, {"advisory": "RHSA-2017:1647", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-514.rt56.228.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-06-28T00:00:00Z"}], "bugzilla": {"description": "kernel: ipv4/tcp: Infinite loop in tcp_splice_read()", "id": "1426542", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1426542"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-835", "details": ["The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.", "A flaw was found in the Linux kernel's handling of packets with the URG flag. Applications using the splice() and tcp_splice_read() functionality could allow a remote attacker to force the kernel to enter a condition in which it could loop indefinitely."], "name": "CVE-2017-6214", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2017-02-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-6214\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-6214"], "statement": "This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code with the flaw is not present in the products listed.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6, 7 and MRG-2. Future Linux kernel updates for the respective releases might address this issue.", "threat_severity": "Moderate"}

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