{ "id": "CVE-2011-2918", "sourceIdentifier": "secalert@redhat.com", "published": "2012-05-24T23:55:02.167", "lastModified": "2024-11-21T01:29:16.560", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application." }, { "lang": "es", "value": "El subsistema Performance Events en el kernel de Linux antes de v3.1 no trata correctamente los desbordamientos de eventos asociados con eventos PERF_COUNT_SW_CPU_CLOCK, lo que permite a usuarios locales causar una denegaci\u00f3n de servicio (bloqueo del sistema) a trav\u00e9s de una aplicaci\u00f3n 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:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "baseScore": 4.9, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-400" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.1", "matchCriteriaId": "156989A4-23D9-434A-B512-9C0F3583D13D" } ] } ] } ], "references": [ { "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233", "source": "secalert@redhat.com" }, { "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2011/08/16/1", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730706", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233", "source": "secalert@redhat.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2011/08/16/1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730706", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] } ] }