CVE-2021-46744 (GCVE-0-2021-46744)
Vulnerability from cvelistv5
Published
2022-05-11 16:40
Modified
2024-09-16 23:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- NA
Summary
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| AMD | AMD Processors |
Version: Processor EPYC |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:17:42.590Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033"
},
{
"name": "[oss-security] 20220808 wolfSSL 5.4.0 fixes CVE-2022-34293 and other issues",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/6"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "AMD Processors",
"vendor": "AMD",
"versions": [
{
"status": "affected",
"version": "Processor EPYC"
}
]
}
],
"datePublic": "2022-05-10T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "NA",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-08-08T17:07:10.000Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033"
},
{
"name": "[oss-security] 20220808 wolfSSL 5.4.0 fixes CVE-2022-34293 and other issues",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/6"
}
],
"source": {
"discovery": "EXTERNAL"
},
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@amd.com",
"DATE_PUBLIC": "2022-05-10T20:30:00.000Z",
"ID": "CVE-2021-46744",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "AMD Processors",
"version": {
"version_data": [
{
"version_affected": "=",
"version_name": "Processor",
"version_value": "EPYC"
}
]
}
}
]
},
"vendor_name": "AMD"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "NA"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033",
"refsource": "MISC",
"url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033"
},
{
"name": "[oss-security] 20220808 wolfSSL 5.4.0 fixes CVE-2022-34293 and other issues",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2022/08/08/6"
}
]
},
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2021-46744",
"datePublished": "2022-05-11T16:40:21.925Z",
"dateReserved": "2022-03-31T00:00:00.000Z",
"dateUpdated": "2024-09-16T23:46:24.093Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
Loading…
Loading…