CVE-2017-7542

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{"affected": [{"affectedData": [{"product": "Linux kernel versions up to and including 4.12", "vendor": "n/a", "versions": [{"status": "affected", "version": "Linux kernel versions up to and including 4.12"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "93B616B9-0E9C-48F4-B663-8278767861FB", "versionEndIncluding": "4.12.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket."}, {"lang": "es", "value": "La funci\u00f3n ip6_find_1stfragopt en el archivo net/ipv6/output_core.c en el kernel de Linux hasta la versi\u00f3n 4.12.3, permite a los usuarios locales causar una denegaci\u00f3n de servicio (desbordamiento de enteros y bucle infinito) mediante la explotaci\u00f3n de la capacidad de abrir un socket sin procesar."}], "id": "CVE-2017-7542", "lastModified": "2026-06-17T01:24:34.363", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-07-21T16:29:00.393", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6399f1fae4ec29fab5ec76070435555e256ca3a6"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3927"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2017/dsa-3945"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/99953"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2918"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2930"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2017:2931"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2018:0169"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/torvalds/linux/commit/6399f1fae4ec29fab5ec76070435555e256ca3a6"}, {"source": "secalert@redhat.com", "url": "https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"source": "secalert@redhat.com", "url": "https://usn.ubuntu.com/3583-1/"}, {"source": "secalert@redhat.com", "url": "https://usn.ubuntu.com/3583-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6399f1fae4ec29fab5ec76070435555e256ca3a6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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"https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3583-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/3583-2/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-190"}, {"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2018:0169", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-696.20.1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-01-25T00:00:00Z"}, {"advisory": "RHSA-2017:2931", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-693.5.2.rt56.626.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-10-19T00:00:00Z"}, {"advisory": "RHSA-2017:2930", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-693.5.2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-10-19T00:00:00Z"}, {"advisory": "RHSA-2017:2918", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-1:3.10.0-693.5.2.rt56.592.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2017-10-19T00:00:00Z"}], "bugzilla": {"description": "kernel: Integer overflow in ip6_find_1stfragopt() causes infinite loop", "id": "1473649", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1473649"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-190->CWE-835", "details": ["The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.", "An integer overflow vulnerability in ip6_find_1stfragopt() function was found. A local attacker that has privileges (of CAP_NET_RAW) to open raw socket can cause an infinite loop inside the ip6_find_1stfragopt() function."], "name": "CVE-2017-7542", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7542\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7542"], "statement": "This 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 may address this issue.\nThis issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and does not qualify for inclusion as part of the Red Hat Enterprise Linux 5 lifecycle. For more information on the lifecycle see https://access.redhat.com/support/policy/updates/errata", "threat_severity": "Moderate"}

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