CVE-2022-2639

{"id": "CVE-2022-2639", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-09-01T21:15:09.600", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084479", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/cefa91b2332d7009bc0be5d951d6cbbf349f90f8", "tags": ["Exploit", "Patch"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2084479", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/torvalds/linux/commit/cefa91b2332d7009bc0be5d951d6cbbf349f90f8", "tags": ["Exploit", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-192"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-681"}]}], "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"}], "lastModified": "2024-11-21T07:01:25.320", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00ECE319-2D3D-436D-9AE0-E83440DA1972", "versionEndExcluding": "3.19", "versionStartIncluding": "3.18.139"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "93408D6A-A152-414B-9F27-4CF1E0D3C9A5", "versionEndExcluding": "4.5", "versionStartIncluding": "4.4.179"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "048C90D6-63DC-47D5-A9F7-9FED6D0A06DC", "versionEndExcluding": "4.9.312", "versionStartIncluding": "4.9.169"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C27466CC-35AC-465C-9EEC-5F451E1B38A2", "versionEndExcluding": "4.14.277", "versionStartIncluding": "4.14.112"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "567BAF59-C306-43ED-9997-EA973F2B811A", "versionEndExcluding": "4.19.240", "versionStartIncluding": "4.19.35"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "550A7DCC-5944-4B55-8AAA-F4E53AC1F825", "versionEndExcluding": "5.4.191", "versionStartIncluding": "5.0.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3AE702C9-4FF9-4ADB-A885-74A6BAB430C1", "versionEndExcluding": "5.10.113", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F146BAE-AA87-4430-8438-C3554714F30E", "versionEndExcluding": "5.15.36", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "31F42CF8-1960-440A-951C-1851EBFDC481", "versionEndExcluding": "5.17.5", "versionStartIncluding": "5.16"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}