{ "id": "CVE-2021-3635", "sourceIdentifier": "secalert@redhat.com", "published": "2021-08-13T14:15:07.877", "lastModified": "2024-11-21T06:22:02.320", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A flaw was found in the Linux kernel netfilter implementation in versions prior to 5.5-rc7. A user with root (CAP_SYS_ADMIN) access is able to panic the system when issuing netfilter netflow commands." }, { "lang": "es", "value": "Se ha detectado un fallo en la implementaci\u00f3n del netfilter del kernel de Linux en versiones anteriores a 5.5-rc7. Un usuario con acceso de root (CAP_SYS_ADMIN) es capaz de hacer entrar en p\u00e1nico al sistema cuando emite comandos netfilter netflow." } ], "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", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "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", "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": "secalert@redhat.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.5", "matchCriteriaId": "5835B8E0-83CB-4B09-A21A-3CB59AF41F62" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc1:*:*:*:*:*:*", "matchCriteriaId": "17CCD88F-373D-4BB5-B62E-8B55B05E2C31" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc2:*:*:*:*:*:*", "matchCriteriaId": "42E076B5-A5E0-49BB-A290-60EC6BF3D4B3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc3:*:*:*:*:*:*", "matchCriteriaId": "8C58602A-1D3D-4A07-AB88-AB5B403D3E8C" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc4:*:*:*:*:*:*", "matchCriteriaId": "54191273-DBF7-4AF6-8039-36DFDEBF4529" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc5:*:*:*:*:*:*", "matchCriteriaId": "7A986E40-065E-4807-B171-802B9460E47E" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.5:rc6:*:*:*:*:*:*", "matchCriteriaId": "911090B3-B2FF-4DD4-A4A4-1BEA41209886" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "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" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1976946", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1976946", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ] } ] }