{ "id": "CVE-2020-25639", "sourceIdentifier": "secalert@redhat.com", "published": "2021-03-04T22:15:13.140", "lastModified": "2023-11-07T03:20:18.177", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de desreferencia del puntero NULL en la funcionalidad del controlador GPU Nouveau del kernel de Linux en versiones anteriores a 5.12-rc1, en la manera en que el usuario llama a ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. Este fallo permite que un usuario local bloquee el sistema" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.8, "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", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "53f830b8-0a3f-465b-8143-3b8a9948e749", "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:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.11.2", "matchCriteriaId": "478A4A43-CD78-4F76-9808-E6E6F474B600" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956" }, { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.4:*:*:*:*:*:*:*", "matchCriteriaId": "44C5E433-229C-4BB9-8481-8A74AFA8DB8E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.5:*:*:*:*:*:*:*", "matchCriteriaId": "D432C063-0805-4151-A819-508FE8954101" }, { "vulnerable": true, "criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.6:*:*:*:*:*:*:*", "matchCriteriaId": "6B62E762-2878-455A-93C9-A5DB430D7BB5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "1D8B549B-E57B-4DFE-8A13-CAB06B5356B3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:messaging_realtime_grid:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F0ED77E-6D8E-48DF-9D2E-4E821399F893" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1876995", "source": "secalert@redhat.com", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/", "source": "secalert@redhat.com" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/", "source": "secalert@redhat.com" } ] }