{ "id": "CVE-2021-4157", "sourceIdentifier": "secalert@redhat.com", "published": "2022-03-25T19:15:09.703", "lastModified": "2023-01-17T21:23:10.697", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system." }, { "lang": "es", "value": "Se encontr\u00f3 un fallo de escritura fuera de los l\u00edmites de la memoria (1 o 2 bytes de memoria) en el subsistema NFS del kernel de Linux en la forma en que los usuarios usan el mirroring (replicaci\u00f3n de archivos con NFS). Un usuario, que tenga acceso al montaje NFS, podr\u00eda potencialmente usar este fallo para bloquear el sistema o escalar privilegios en el sistema" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.1, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:M/Au:S/C:C/I:C/A:C", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "MEDIUM", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.4 }, "baseSeverity": "HIGH", "exploitabilityScore": 4.4, "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-119" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "4.4.269", "matchCriteriaId": "F696C839-D545-4E11-8908-FA86DC440462" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "4.9.269", "matchCriteriaId": "7E86BB03-C8D1-4E43-ADC4-64C340941D4B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "4.14.233", "matchCriteriaId": "4836AF17-022D-49D0-9A8A-AF66FE8DCEB8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "4.19.191", "matchCriteriaId": "5B6E6817-19A8-4C0A-8807-71DA48CF9191" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.120", "matchCriteriaId": "2BDC71CF-4451-4D53-93E9-61DE7C4E25B0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.38", "matchCriteriaId": "2BB4E5E8-4AAD-475A-A1B9-F287254C7D72" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.11.22", "matchCriteriaId": "83B53E9A-F426-4C03-9A5F-A931FF79827E" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.12.5", "matchCriteriaId": "0274929A-B36C-4F4C-AB22-30A0DD6B995B" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "108A2215-50FB-4074-94CF-C130FA14566D" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", "matchCriteriaId": "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "6770B6C3-732E-4E22-BF1C-2D2FD610061C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", "matchCriteriaId": "9F9C8C20-42EB-4AB5-BD97-212DEB070C43" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "32F0B6C0-F930-480D-962B-3F4EFDCC13C7" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", "matchCriteriaId": "803BC414-B250-4E3A-A478-A3881340D6B8" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "7FFF7106-ED78-49BA-9EC5-B889E3685D53" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", "matchCriteriaId": "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "0FEB3337-BFDE-462A-908B-176F92053CEC" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", "matchCriteriaId": "736AEAE9-782B-4F71-9893-DED53367E102" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "56409CEC-5A1E-4450-AA42-641E459CC2AF" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", "matchCriteriaId": "B06F4839-D16A-4A61-9BB5-55B13F41E47F" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D0B4AD8A-F172-4558-AEC6-FF424BA2D912" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", "matchCriteriaId": "8497A4C9-8474-4A62-8331-3FE862ED4098" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "6543E60C-2FCB-4317-8066-E7256630DF69" }, { "vulnerable": true, "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "6EDB6772-7FDB-45FF-8D72-952902A7EE56" }, { "vulnerable": true, "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "FEA64107-8025-4DC7-8222-F898ADEC6864" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034342", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/", "source": "secalert@redhat.com", "tags": [ "Exploit", "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "https://security.netapp.com/advisory/ntap-20220602-0007/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.oracle.com/security-alerts/cpujul2022.html", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }