CVE-2022-33906

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "94BB75BA-F075-45A2-AD76-BA8DCA2F4CEF", "versionEndExcluding": "5.2.05.27.23", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B164BDEE-BE93-4EB5-89E7-AB2D63512CA6", "versionEndExcluding": "5.3.05.36.23", "versionStartIncluding": "5.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5CC2DFA-DE56-4615-8F35-84F3ACD3B541", "versionEndExcluding": "5.4.05.44.23", "versionStartIncluding": "5.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9786B2BB-8754-4BA4-868E-FA2468D13AD2", "versionEndExcluding": "5.5.05.52.23", "versionStartIncluding": "5.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the FwBlockServiceSmm driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.23, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048"}, {"lang": "es", "value": "Las transacciones DMA que est\u00e1n dirigidas a los b\u00faferes de entrada utilizados para el controlador SMI del software FwBlockServiceSmm podr\u00edan causar corrupci\u00f3n de SMRAM a trav\u00e9s de un ataque TOCTOU. Las transacciones DMA que est\u00e1n dirigidas a los b\u00faferes de entrada utilizados para el controlador SMI de software utilizado por el controlador FwBlockServiceSmm podr\u00edan causar corrupci\u00f3n de SMRAM a trav\u00e9s de un ataque TOCTOU. Este problema fue descubierto por ingenier\u00eda de Insyde bas\u00e1ndose en la descripci\u00f3n general proporcionada por el grupo iSTARE de Intel. Corregido en el kernel 5.2: 05.27.23, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048"}], "id": "CVE-2022-33906", "lastModified": "2026-06-17T04:49:27.833", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-33906", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-30T18:53:13.901743Z", "version": "2.0.3"}}]}, "published": "2022-11-15T00:15:11.870", "references": [{"source": "cve@mitre.org", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2022048"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2022048"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-367"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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