gsd-2022-32475
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-32475",
"description": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.",
"id": "GSD-2022-32475"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-32475"
],
"details": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code.",
"id": "GSD-2022-32475",
"modified": "2023-12-13T01:19:12.552903Z",
"schema_version": "1.4.0"
}
},
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"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2022-32475",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
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"data_version": "4.0",
"description": {
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"value": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code."
}
]
},
"problemtype": {
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"value": "n/a"
}
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}
]
},
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"reference_data": [
{
"name": "https://www.insyde.com/security-pledge",
"refsource": "MISC",
"url": "https://www.insyde.com/security-pledge"
},
{
"name": "https://www.insyde.com/security-pledge/SA-2023007",
"refsource": "MISC",
"url": "https://www.insyde.com/security-pledge/SA-2023007"
}
]
},
"source": {
"discovery": "INTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"children": [],
"cpe_match": [
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"cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.5.05.52.27",
"versionStartIncluding": "5.5",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.4.05.44.27",
"versionStartIncluding": "5.4",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.3.05.36.27",
"versionStartIncluding": "5.3",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "5.2.05.27.27",
"versionStartIncluding": "5.0",
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"operator": "OR"
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},
"cve": {
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"ID": "CVE-2022-32475"
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"description": {
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"value": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code."
}
]
},
"problemtype": {
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{
"description": [
{
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"value": "CWE-367"
}
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}
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},
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{
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"refsource": "MISC",
"tags": [
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},
{
"name": "https://www.insyde.com/security-pledge",
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"tags": [
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],
"url": "https://www.insyde.com/security-pledge"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9
}
},
"lastModifiedDate": "2023-02-25T03:26Z",
"publishedDate": "2023-02-15T14:15Z"
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.