github - ghsa-q49c-2cmm-mw74

ghsa-q49c-2cmm-mw74

Vulnerability from github

Published

2022-05-11 00:01

Modified

2022-05-18 00:00

Severity ?

7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Details

Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26408"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-10T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest\u0027s integrity or confidentiality.",
  "id": "GHSA-q49c-2cmm-mw74",
  "modified": "2022-05-18T00:00:26Z",
  "published": "2022-05-11T00:01:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26408"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-26408

Vulnerability from cvelistv5

Published

2022-05-10 18:22

Modified

2024-09-16 21:04

Severity ?

Summary

Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.

References

▼	URL	Tags
	https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021	x_refsource_MISC

Impacted products

▼	Vendor	Product
	AMD	1st Gen AMD EPYC™
	AMD	2nd Gen AMD EPYC™

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.323Z",
          "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-1021"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "1st Gen AMD EPYC\u2122",
          "vendor": "AMD",
          "versions": [
            {
              "lessThan": "NaplesPI-SP3_1.0.0.G",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "2nd Gen AMD EPYC\u2122",
          "vendor": "AMD",
          "versions": [
            {
              "lessThan": "RomePI-SP3_1.0.0.C",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2022-05-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest\u0027s integrity or confidentiality."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "tbd",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-05-10T18:22:50",
        "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-1021"
        }
      ],
      "source": {
        "advisory": "AMD-SB-1021",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@amd.com",
          "DATE_PUBLIC": "2022-05-06T20:00:00.000Z",
          "ID": "CVE-2021-26408",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "1st Gen AMD EPYC\u2122",
                      "version": {
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                          {
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                            "version_value": "NaplesPI-SP3_1.0.0.G"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "2nd Gen AMD EPYC\u2122",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "RomePI-SP3_1.0.0.C"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "AMD"
              }
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
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        "references": {
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            }
          ]
        },
        "source": {
          "advisory": "AMD-SB-1021",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2021-26408",
    "datePublished": "2022-05-10T18:22:50.329992Z",
    "dateReserved": "2021-01-29T00:00:00",
    "dateUpdated": "2024-09-16T21:04:07.585Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
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.

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