CVE-2022-33986

{"id": "CVE-2022-33986", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.5}]}, "published": "2022-11-15T00:15:12.353", "references": [{"url": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.insyde.com/security-pledge/SA-2022056", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-367"}]}], "descriptions": [{"lang": "en", "value": "DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056"}, {"lang": "es", "value": "Los ataques DMA al b\u00fafer de par\u00e1metros utilizado por el controlador SMI del software VariableRuntimeDxe podr\u00edan provocar un ataque TOCTOU. Los ataques DMA al b\u00fafer de par\u00e1metros utilizado por el controlador SMI de software utilizado por el controlador VariableRuntimeDxe podr\u00edan provocar un ataque TOCTOU al controlador SMI y provocar la corrupci\u00f3n de SMRAM. Este problema fue descubierto por la ingenier\u00eda de Insyde durante una revisi\u00f3n de seguridad. Este problema se solucion\u00f3 en Kernel 5.4: 05.44.23 y Kernel 5.5: 05.52.23. CWE-367 Informe CWE-367 en: https://www.insyde.com/security-pledge/SA-2022056"}], "lastModified": "2022-11-18T15:48:27.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5CC2DFA-DE56-4615-8F35-84F3ACD3B541", "versionEndExcluding": "5.4.05.44.23", "versionStartIncluding": "5.4"}, {"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9786B2BB-8754-4BA4-868E-FA2468D13AD2", "versionEndExcluding": "5.5.05.52.23", "versionStartIncluding": "5.5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}