github - ghsa-7vx3-5mq4-mccg

GHSA-7VX3-5MQ4-MCCG

Vulnerability from github – Published: 2025-02-12 00:32 – Updated: 2025-02-12 00:32

Details

Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.

Severity ?

5.3 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

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  "affected": [],
  "aliases": [
    "CVE-2023-20582"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-11T22:15:26Z",
    "severity": "MODERATE"
  },
  "details": "Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.",
  "id": "GHSA-7vx3-5mq4-mccg",
  "modified": "2025-02-12T00:32:16Z",
  "published": "2025-02-12T00:32:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20582"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-20582 (GCVE-0-2023-20582)

Vulnerability from cvelistv5 – Published: 2025-02-11 21:35 – Updated: 2025-02-12 15:56

Summary

Severity ?

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

CWE

CWE-1284 - Improper Validation of Specified Quantity in Input

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/resources/product-security…
	https://www.amd.com/en/resources/product-security…

Impacted products

Vendor

Product

Version

AMD

AMD EPYC™ 9004 Processors

Unaffected: GenoaPI 1.0.0.C
Unaffected: SEV FW1.55.36

AMD

AMD EPYC™ Embedded 9004

Unaffected: EmbGenoaPI-SP5 1.0.0.7

Show details on NVD website

JSON

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                "timestamp": "2025-02-12T15:56:12.794718Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7VX3-5MQ4-MCCG

CVE-2023-20582 (GCVE-0-2023-20582)

Tags

Sightings

Nomenclature