CVE-2022-33985

DMA transactions which are targeted at input buffers used for the NvmExpressDxe 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 NvmExpressDxe 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. This issue was fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022055

CVSS v3.0 7.0 HIGH

7.0^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.insyde.com/security-pledge/SA-2022055	Vendor Advisory
https://www.insyde.com/security-pledge	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::
	cpe:2.3:a:insyde:kernel::::::::

Information

Published : 2022-11-14 16:15

Updated : 2022-11-17 14:18

NVD link : CVE-2022-33985

Mitre link : CVE-2022-33985

JSON object : View

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

Advertisement

Products Affected

insyde

kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.insyde.com/security-pledge/SA-2022055", "name": "https://www.insyde.com/security-pledge/SA-2022055", "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 transactions which are targeted at input buffers used for the NvmExpressDxe 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 NvmExpressDxe 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. This issue was fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022055"}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-367"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-33985", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}}, "publishedDate": "2022-11-15T00:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.3.05.36.25", "versionStartIncluding": "5.3"}, {"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.2.05.27.25", "versionStartIncluding": "5.2"}, {"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.4.05.44.25", "versionStartIncluding": "5.4"}, {"cpe23Uri": "cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.5.05.52.25", "versionStartIncluding": "5.5"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-11-17T22:18Z"}