{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-52877", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-05-19T20:02:26.495Z", "dateReserved": "2024-11-17T00:00:00.000Z", "datePublished": "2025-05-15T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-05-15T15:46:10.965Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.insyde.com/security-pledge"}, {"url": "https://www.insyde.com/security-pledge/sa-2024016/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-126", "lang": "en", "description": "CWE-126 Buffer Over-read"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-05-19T19:56:43.327963Z", "id": "CVE-2024-52877", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-19T20:02:26.495Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-52877", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-05-19T19:56:43.327963Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-126", "description": "CWE-126 Buffer Over-read"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-19T20:02:17.972Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://www.insyde.com/security-pledge"}, {"url": "https://www.insyde.com/security-pledge/sa-2024016/"}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2025-05-15T15:46:10.965Z"}}}, "cveMetadata": {"cveId": "CVE-2024-52877", "state": "PUBLISHED", "dateUpdated": "2025-05-19T20:02:26.495Z", "dateReserved": "2024-11-17T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2025-05-15T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "D16921E2-B380-46F2-A0C3-4BF481754B25", "versionEndExcluding": "5.2.05.29.50", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "C0DC26AD-A1D5-4E41-96C2-BDFA9B0E9A79", "versionEndExcluding": "5.3.05.38.50", "versionStartIncluding": "5.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D9213E6-C42D-4131-AC48-A997D9C73A16", "versionEndExcluding": "5.4.05.46.50", "versionStartIncluding": "5.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "40B6FCB7-3A05-414F-BCDB-4F03EAAD9BEC", "versionEndExcluding": "5.5.05.54.50", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "98F9E3E4-0310-4E7B-830C-7479625D65B8", "versionEndExcluding": "5.6.05.61.50", "versionStartIncluding": "5.6", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "3A850FC4-D697-4CE2-BAB9-A5E5D7809E3A", "versionEndExcluding": "5.7.05.70.50", "versionStartIncluding": "5.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Insyde InsydeH2O en las versiones del kernel 5.2 anterior a la 05.29.50, 5.3 anterior a la 05.38.50, 5.4 anterior a la 05.46.50, 5.5 anterior a la 05.54.50, 5.6 anterior a la 05.61.50 y 5.7 anterior a la 05.70.50. En el controlador VariableRuntimeDxe, la funci\u00f3n de devoluci\u00f3n de llamada SmmCreateVariableLockList() llama a CreateVariableLockListInSmm(). En CreateVariableLockListInSmm(), utiliza StrSize() para obtener el tama\u00f1o del nombre de la variable, lo que podr\u00eda provocar una sobrelectura del b\u00fafer."}], "id": "CVE-2024-52877", "lastModified": "2025-08-15T17:06:05.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-05-15T16:15:32.770", "references": [{"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-2024016/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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