CVE-2011-5321

{"id": "CVE-2011-5321", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/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": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2016-05-02T10:59:02.373", "references": [{"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1221.html", "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.1", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2015/03/13/17", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1201887", "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/c290f8358acaeffd8e0c551ddcc24d1206143376", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory."}, {"lang": "es", "value": "La funci\u00f3n tty_open en drivers/tty/tty_io.c en el kernel de Linux en versiones anteriores a 3.1.1 no maneja adecuadamente un fallo de b\u00fasqueda de controlador, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y ca\u00edda de sistema) o posiblemente tener otro impacto no especificado a trav\u00e9s de acceso manipulado a un archivo de dispositivo bajo el directorio /dev/pts."}], "lastModified": "2018-01-05T02:29:16.303", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F7A0F527-5ACD-40DA-94D0-B47D2EE5C970", "versionEndIncluding": "3.1"}], "operator": "OR"}]}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/476.html\">CWE-476: NULL Pointer Dereference</a>", "sourceIdentifier": "secalert@redhat.com"}