WID-SEC-W-2025-2638

Vulnerability from csaf_certbund - Published: 2025-11-18 23:00 - Updated: 2025-11-24 23:00
Summary
Grub: Mehrere Schwachstellen

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
Grand Unified Bootloader (Grub) ist ein freies Bootloader-Programm des GNU Projekts.
Angriff
Ein Angreifer kann mehrere Schwachstellen in Grub ausnutzen, um beliebigen Programmcode auszuführen, und um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - UNIX
To clipboard 

{
  "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": "Grand Unified Bootloader (Grub) ist ein freies Bootloader-Programm des GNU Projekts.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Grub ausnutzen, um beliebigen Programmcode auszuf\u00fchren, und um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "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-2025-2638 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2638.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-2638 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2638"
      },
      {
        "category": "external",
        "summary": "OSS Security Mailing List vom 2025-11-18",
        "url": "https://seclists.org/oss-sec/2025/q4/191"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:4143-1 vom 2025-11-20",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KDODU4W7BGW2ULT35JBOJLS5BJO2M3DX/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:4152-1 vom 2025-11-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-November/023310.html"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2025:15749-1 vom 2025-11-22",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QNOLPRRIM6HJ6IRJ4AWWG56GX4IBAAJK/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:4196-1 vom 2025-11-24",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/Y52BW7QY7H7DNOJGMPQAKTXUBOA4537U/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:4197-1 vom 2025-11-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-November/023335.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2025:4196-1 vom 2025-11-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2025-November/023336.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Grub: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-11-24T23:00:00.000+00:00",
      "generator": {
        "date": "2025-11-25T08:37:16.710+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2025-2638",
      "initial_release_date": "2025-11-18T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-11-18T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-11-19T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2025-11-23T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE und openSUSE aufgenommen"
        },
        {
          "date": "2025-11-24T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Grub",
            "product": {
              "name": "Open Source Grub",
              "product_id": "T048732",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:grub:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-54770",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-54770"
    },
    {
      "cve": "CVE-2025-54771",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-54771"
    },
    {
      "cve": "CVE-2025-61661",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-61661"
    },
    {
      "cve": "CVE-2025-61662",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-61662"
    },
    {
      "cve": "CVE-2025-61663",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-61663"
    },
    {
      "cve": "CVE-2025-61664",
      "product_status": {
        "known_affected": [
          "T002207",
          "T027843",
          "T048732"
        ]
      },
      "release_date": "2025-11-18T23:00:00.000+00:00",
      "title": "CVE-2025-61664"
    }
  ]
}


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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.