WID-SEC-W-2023-2515

Vulnerability from csaf_certbund - Published: 2023-09-28 22:00 - Updated: 2024-01-18 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Codeausführung
Severity
Hoch
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: Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um beliebigen Programmcode auszuführen.
Betroffene Betriebssysteme: - UNIX - Linux
CVE-2023-44466

Es besteht eine Schwachstelle im Linux Kernel. Dieser Fehler existiert in der net/ceph/messenger_v2.c Komponente aufgrund eines Integer Signing Problems, was zu einem Pufferüberlauf führt. Ein lokaler Angreifer kann diese Schwachstelle zur Ausführung von beliebigem Code ausnutzen.

Affected products
Product Identifier Version Remediation
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Oracle Linux
Oracle
 cpe:/o:oracle:linux:- —
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux",
        "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-2023-2515 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2515.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2515 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2515"
      },
      {
        "category": "external",
        "summary": "Linux Security Notification vom 2023-09-28",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-44466"
      },
      {
        "category": "external",
        "summary": "Proof of Concept (PoC)",
        "url": "https://github.com/google/security-research/security/advisories/GHSA-jg27-jx6w-xwph"
      },
      {
        "category": "external",
        "summary": "Linux Security Notification vom 2023-09-28",
        "url": "https://github.com/advisories/GHSA-7wwm-57j8-wx2j"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6416-1 vom 2023-10-05",
        "url": "https://ubuntu.com/security/notices/USN-6416-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6416-2 vom 2023-10-06",
        "url": "https://ubuntu.com/security/notices/USN-6416-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6445-1 vom 2023-10-20",
        "url": "https://ubuntu.com/security/notices/USN-6445-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6416-3 vom 2023-10-19",
        "url": "https://ubuntu.com/security/notices/USN-6416-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6445-2 vom 2023-10-24",
        "url": "https://ubuntu.com/security/notices/USN-6445-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6466-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6466-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6464-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6464-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6520-1 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6520-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-6583 vom 2024-01-18",
        "url": "https://oss.oracle.com/pipermail/el-errata/2024-January/015150.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2024-01-18T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:59:13.825+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-2515",
      "initial_release_date": "2023-09-28T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-09-28T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-04T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-24T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel \u003c 6.4.5",
            "product": {
              "name": "Open Source Linux Kernel \u003c 6.4.5",
              "product_id": "T030163",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:6.4.5"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "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-2023-44466",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux Kernel. Dieser Fehler existiert in der net/ceph/messenger_v2.c Komponente aufgrund eines Integer Signing Problems, was zu einem Puffer\u00fcberlauf f\u00fchrt. Ein lokaler Angreifer kann diese Schwachstelle zur Ausf\u00fchrung von beliebigem Code ausnutzen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T000126",
          "T004914"
        ]
      },
      "release_date": "2023-09-28T22:00:00.000+00:00",
      "title": "CVE-2023-44466"
    }
  ]
}



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