github - ghsa-4mvg-3c82-rv73

ghsa-4mvg-3c82-rv73

Vulnerability from github

Published

2022-05-12 00:01

Modified

2022-06-02 00:00

Severity ?

6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-46744"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-668"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-05-11T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-4mvg-3c82-rv73",
  "modified": "2022-06-02T00:00:37Z",
  "published": "2022-05-12T00:01:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46744"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/08/08/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-46744 (GCVE-0-2021-46744)

Vulnerability from cvelistv5

Published

2022-05-11 16:40

Modified

2024-09-16 23:46

Severity ?

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

	https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/08/08/6	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	AMD	AMD Processors	Version: Processor EPYC

Show details on NVD website

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