{ "id": "CVE-2011-2525", "sourceIdentifier": "secalert@redhat.com", "published": "2012-02-02T04:09:47.737", "lastModified": "2023-02-13T00:18:51.610", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call." }, { "lang": "es", "value": "La funci\u00f3n qdisc_notify de net/sched/sch_api.c del kernel de Linux en versiones anteriores a la 2.6.35 no previene que la funci\u00f3n tc_fill_qdisc haga referencia a estructuras Qdisc (CQ_F_BUILTIN) pre-constru\u00eddas, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (resoluci\u00f3n de puntero NULL y OOPS) o posiblemente tener otros impactos sin especificar a trav\u00e9s de una llamada modificada." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2 }, "baseSeverity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.6.35", "matchCriteriaId": "ABBE25DF-453B-47E6-A6ED-6984E7576F69" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "6172AF57-B26D-45F8-BE3A-F75ABDF28F49" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3", "source": "secalert@redhat.com" }, { "url": "http://openwall.com/lists/oss-security/2011/07/12/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2011-1065.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "http://rhn.redhat.com/errata/RHSA-2011-1163.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=720552", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] } ] }