usn-7560-1
Vulnerability from osv_ubuntu
Published
2025-06-09 13:18
Modified
2025-10-13 04:41
Summary
amd64-microcode vulnerability
Details

Josh Eads, Kristoffer Janke, Eduardo Nava, Tavis Ormandy and Matteo Rizzo discovered that AMD Microcode incorrectly verified signatures. An attacker with local administrator privilege could possibly use this issue to cause loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-56161",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:25.04"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250311.1ubuntu0.25.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.04",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20250311.1ubuntu0.25.04.1?arch=source\u0026distro=plucky"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20250311.1ubuntu0.25.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20240116.2+nmu1ubuntu1",
        "3.20240116.2+nmu1ubuntu1.1",
        "3.20240820.1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Josh Eads, Kristoffer Janke, Eduardo Nava, Tavis Ormandy and Matteo Rizzo\ndiscovered that AMD Microcode incorrectly verified signatures. An attacker\nwith local administrator privilege could possibly use this issue to cause\nloss of confidentiality and integrity of a confidential guest running under\nAMD SEV-SNP.",
  "id": "USN-7560-1",
  "modified": "2025-10-13T04:41:31Z",
  "published": "2025-06-09T13:18:04.824499Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7560-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-56161"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "amd64-microcode vulnerability",
  "upstream": [
    "UBUNTU-CVE-2024-56161"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.