github - ghsa-7cfh-j5pv-fw3c

ghsa-7cfh-j5pv-fw3c

Vulnerability from github

Published

2024-08-13 18:31

Modified

2024-08-13 18:31

Severity ?

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

Details

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2023-20584"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-13T17:15:19Z",
    "severity": "MODERATE"
  },
  "details": "IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.",
  "id": "GHSA-7cfh-j5pv-fw3c",
  "modified": "2024-08-13T18:31:15Z",
  "published": "2024-08-13T18:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20584"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-20584 (GCVE-0-2023-20584)

Vulnerability from cvelistv5

Published

2024-08-13 16:53

Modified

2024-11-05 21:40

Severity ?

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

Summary

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

References

URL

Tags

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

vendor-advisory

Impacted products

Vendor

Product

Version

AMD EPYC™ 7003 Processors

AMD EPYC™ 9004 Processors

Show details on NVD website

To clipboard

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        "metrics": [
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                "options": [
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                  },
                  {
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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-13T17:31:27.946120Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
          "dateUpdated": "2024-11-05T21:40:37.392Z",
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    "dateReserved": "2022-10-27T18:53:39.759Z",
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}

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Not patched: This vulnerability was not successfully patched by the user reporting the sighting.