csaf_certbund - wid-sec-w-2025-0257

WID-SEC-W-2025-0257

Vulnerability from csaf_certbund - Published: 2025-02-03 23:00 - Updated: 2025-06-11 22:00

Summary

AMD Prozessor: Schwachstelle ermöglicht das Umgehen von Sicherheitsmaßnahmen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Prozessoren sind die zentralen Rechenwerke eines Computers.

Angriff

Ein lokaler Angreifer kann eine Schwachstelle in AMD Prozessor ausnutzen, um Sicherheitsmaßnahmen zu umgehen.

Betroffene Betriebssysteme

- BIOS/Firmware

JSON

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{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Prozessoren sind die zentralen Rechenwerke eines Computers.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in AMD Prozessor ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- BIOS/Firmware",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2025-0257 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0257.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0257 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0257"
      },
      {
        "category": "external",
        "summary": "AMD Security Bulletin vom 2025-02-03",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html"
      },
      {
        "category": "external",
        "summary": "Google Security Research vom 2025-02-03",
        "url": "https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w"
      },
      {
        "category": "external",
        "summary": "HPE Security Bulletin vom 2025-02-03",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbhf04783en_us\u0026docLocale=en_US"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory vom 2025-02-03",
        "url": "https://www.dell.com/support/kbdoc/de-de/000280550/dsa-2025-040-security-update-for-dell-amd-based-poweredge-server-vulnerabilities"
      },
      {
        "category": "external",
        "summary": "Lenovo Security Advisory LEN-186850 vom 2025-02-12",
        "url": "https://support.lenovo.com/us/en/product_security/LEN-186850"
      },
      {
        "category": "external",
        "summary": "HPE Security Advisory vom 2025-03-10",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbhf04826en_us\u0026docLocale=en_US"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4098 vom 2025-03-31",
        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7560-1 vom 2025-06-09",
        "url": "https://ubuntu.com/security/notices/USN-7560-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7561-1 vom 2025-06-09",
        "url": "https://ubuntu.com/security/notices/USN-7561-1"
      }
    ],
    "source_lang": "en-US",
    "title": "AMD Prozessor: Schwachstelle erm\u00f6glicht das Umgehen von Sicherheitsma\u00dfnahmen",
    "tracking": {
      "current_release_date": "2025-06-11T22:00:00.000+00:00",
      "generator": {
        "date": "2025-06-12T06:33:40.080+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.12"
        }
      },
      "id": "WID-SEC-W-2025-0257",
      "initial_release_date": "2025-02-03T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-02-03T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-02-04T23:00:00.000+00:00",
          "number": "2",
          "summary": "Schreibfehler korrigiert"
        },
        {
          "date": "2025-02-11T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von LENOVO aufgenommen"
        },
        {
          "date": "2025-03-10T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von HP aufgenommen"
        },
        {
          "date": "2025-03-30T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2025-06-09T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2025-06-11T22:00:00.000+00:00",
          "number": "7",
          "summary": "Schwachstelle ist auch bekannt als \"EntrySign\" - als Referenz aufgenommen"
        }
      ],
      "status": "final",
      "version": "7"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "EPYC",
                "product": {
                  "name": "AMD Prozessor EPYC",
                  "product_id": "T036862",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:amd:amd_processor:epyc"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Prozessor"
          }
        ],
        "category": "vendor",
        "name": "AMD"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Dell PowerEdge",
            "product": {
              "name": "Dell PowerEdge",
              "product_id": "T040784",
              "product_identification_helper": {
                "cpe": "cpe:/h:dell:poweredge:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "HPE ProLiant",
                "product": {
                  "name": "HPE ProLiant",
                  "product_id": "T035784",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:hp:proliant:-"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Server",
                "product": {
                  "name": "HPE ProLiant Server",
                  "product_id": "T040787",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:hp:proliant:server"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ProLiant"
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Lenovo BIOS",
            "product": {
              "name": "Lenovo BIOS",
              "product_id": "T033443",
              "product_identification_helper": {
                "cpe": "cpe:/h:lenovo:bios:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Lenovo Computer",
            "product": {
              "name": "Lenovo Computer",
              "product_id": "T026557",
              "product_identification_helper": {
                "cpe": "cpe:/h:lenovo:computer:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Lenovo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-56161",
      "product_status": {
        "known_affected": [
          "2951",
          "T000126",
          "T036862",
          "T040787",
          "T026557",
          "T040784",
          "T033443",
          "T035784"
        ]
      },
      "release_date": "2025-02-03T23:00:00.000+00:00",
      "title": "CVE-2024-56161"
    }
  ]
}

CVE-2024-56161 (GCVE-0-2024-56161)

Vulnerability from cvelistv5 – Published: 2025-02-03 17:24 – Updated: 2025-04-02 22:03

Summary

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

Severity ?

7.2 (High)


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

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

AMD

References

URL

Tags

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

Impacted products

Vendor

Product

Version

AMD

AMD EPYC™ 7001 Series

Unaffected: NaplesPI 1.0.0.P

AMD	AMD EPYC™ 7002 Series	Unaffected: RomePI 1.0.0.L
AMD	AMD EPYC™ 7003 Series	Unaffected: MilanPI 1.0.0.F
AMD	AMD EPYC™ 9004 Series	Unaffected: Genoa 1.0.0.E

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-04-02T22:03:14.707Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/02/04/1"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/03/06/2"
          },
          {
            "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-56161",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-03T17:43:59.636370Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-12T20:51:23.409Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "packageName": "NaplesPI 1.0.0.P",
          "product": "AMD EPYC\u2122 7001 Series",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "NaplesPI 1.0.0.P"
            }
          ]
        },
        {
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          "packageName": "RomePI 1.0.0.L",
          "product": "AMD EPYC\u2122 7002 Series",
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          "vendor": "AMD",
          "versions": [
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              "status": "unaffected",
              "version": "MilanPI 1.0.0.F"
            }
          ]
        },
        {
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          "product": "AMD EPYC\u2122 9004 Series",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "Genoa 1.0.0.E"
            }
          ]
        }
      ],
      "datePublic": "2025-02-03T17:00:00.000Z",
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          "supportingMedia": [
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          ],
          "value": "Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP."
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N",
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          "scenarios": [
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              "lang": "en",
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      "problemTypes": [
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              "description": "CWE-347 Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-02-03T17:24:01.185Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
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      "references": [
        {
          "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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    "datePublished": "2025-02-03T17:24:01.185Z",
    "dateReserved": "2024-12-17T21:34:57.677Z",
    "dateUpdated": "2025-04-02T22:03:14.707Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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

WID-SEC-W-2025-0257

CVE-2024-56161 (GCVE-0-2024-56161)

Tags

Sightings

Nomenclature