{ "id": "CVE-2022-2639", "sourceIdentifier": "secalert@redhat.com", "published": "2022-09-01T21:15:09.600", "lastModified": "2023-06-27T20:52:02.907", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system." }, { "lang": "es", "value": "Se ha encontrado un error de coerci\u00f3n de enteros en el m\u00f3dulo del kernel openvswitch. Dado un n\u00famero suficientemente grande de acciones, mientras ses copiado y es reservada memoria para una nueva acci\u00f3n de un nuevo flujo, la funci\u00f3n reserve_sfa_size() no devuelve -EMSGSIZE como es esperado, conllevando potencialmente a un acceso de escritura fuera de l\u00edmites. Este fallo permite a un usuario local bloquearse o potencialmente escalar sus privilegios en el sistema" } ], "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:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-681" } ] }, { "source": "secalert@redhat.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-192" }, { "lang": "en", "value": "CWE-787" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18.139", "versionEndExcluding": "3.19", "matchCriteriaId": "00ECE319-2D3D-436D-9AE0-E83440DA1972" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.179", "versionEndExcluding": "4.5", "matchCriteriaId": "93408D6A-A152-414B-9F27-4CF1E0D3C9A5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.169", "versionEndExcluding": "4.9.312", "matchCriteriaId": "048C90D6-63DC-47D5-A9F7-9FED6D0A06DC" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.112", "versionEndExcluding": "4.14.277", "matchCriteriaId": "C27466CC-35AC-465C-9EEC-5F451E1B38A2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.35", "versionEndExcluding": "4.19.240", "matchCriteriaId": "567BAF59-C306-43ED-9997-EA973F2B811A" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0.8", "versionEndExcluding": "5.4.191", "matchCriteriaId": "550A7DCC-5944-4B55-8AAA-F4E53AC1F825" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.113", "matchCriteriaId": "3AE702C9-4FF9-4ADB-A885-74A6BAB430C1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.15.36", "matchCriteriaId": "8F146BAE-AA87-4430-8438-C3554714F30E" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "5.17.5", "matchCriteriaId": "31F42CF8-1960-440A-951C-1851EBFDC481" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "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:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084479", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/torvalds/linux/commit/cefa91b2332d7009bc0be5d951d6cbbf349f90f8", "source": "secalert@redhat.com", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] } ] }