CVE-2009-4272

{"id": "CVE-2009-4272", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2010-01-27T17:30:00.603", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=73e42897e8e5619eacb787d2ce69be12f47cfc21", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b6280b47a7a42970d098a3059f4ebe7e55e90d8d", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://support.avaya.com/css/P8/documents/100073666", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2010/01/20/1", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2010/01/20/6", "tags": ["Mailing List"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=545411", "tags": ["Exploit", "Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55808", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11167", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7026", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "https://rhn.redhat.com/errata/RHSA-2010-0046.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://rhn.redhat.com/errata/RHSA-2010-0095.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=73e42897e8e5619eacb787d2ce69be12f47cfc21", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b6280b47a7a42970d098a3059f4ebe7e55e90d8d", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://support.avaya.com/css/P8/documents/100073666", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2010/01/20/1", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2010/01/20/6", "tags": ["Mailing List"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=545411", "tags": ["Exploit", "Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/55808", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11167", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7026", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://rhn.redhat.com/errata/RHSA-2010-0046.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://rhn.redhat.com/errata/RHSA-2010-0095.html", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash table, and trigger a routing \"emergency\" in which a hash chain is too long. NOTE: this is related to an issue in the Linux kernel before 2.6.31, when the kernel routing cache is disabled, involving an uninitialized pointer and a panic."}, {"lang": "es", "value": "Cierto parche de Red Hat para net/ipv4/route.c en el kernel de Linux v2.6.18 en Red Hat Enterprise Linux (RHEL) v5 permite a atacantes remotos producir una denegaci\u00f3n de servicio (punto muerto) a traves de paquetes manipulados que que fuerzan colisiones en la tabla de hash de enrutamiento IPv4, e inicia un enrutado de \"emergencia\" en el cual la cadena de hash es demasiado larga. NOTA: Esta vulnerabilidad esta relacionada con otra del cache de enrutamiento del kernel cuando el cache de enrutamiento del kernel esta desactivado, implicando un puntero no inicializado y panic."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.18:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27C7E25A-EC60-460D-8662-016437F7C0FB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1D8B549B-E57B-4DFE-8A13-CAB06B5356B3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:virtualization:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCFEF451-4B77-4259-8000-B252E699A950"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:5.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DD6917D-FE03-487F-9F2C-A79B5FCFBC5A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E"}], "operator": "OR"}]}], "vendorComments": [{"comment": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commits c6153b5b and 1080d709 that introduced the problem.\n\nIt was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html", "lastModified": "2010-01-28T00:00:00", "organization": "Red Hat"}], "sourceIdentifier": "secalert@redhat.com"}