CVE-2022-33986

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.insyde.com/security-pledge/SA-2022056", "name": "https://www.insyde.com/security-pledge/SA-2022056", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.insyde.com/security-pledge", "name": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-367"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-33986", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2022-11-15T00:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.5.05.52.23", "versionStartIncluding": "5.5"}, {"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.4.05.44.23", "versionStartIncluding": "5.4"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-11-18T15:48Z"}