wid-sec-w-2023-2950
Vulnerability from csaf_certbund
Published
2023-11-16 23:00
Modified
2024-06-09 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation oder DoS

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 einen Denial-of-Service-Zustand zu verursachen und seine Berechtigungen zu erweitern.
Betroffene Betriebssysteme
- Linux - UNIX


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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 einen Denial-of-Service-Zustand zu verursachen und seine Berechtigungen zu erweitern.",
        "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-2023-2950 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2950.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2950 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2950"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6652-1 vom 2024-02-23",
        "url": "https://ubuntu.com/security/notices/USN-6652-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6548-1 vom 2023-12-12",
        "url": "https://ubuntu.com/security/notices/USN-6548-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6548-4 vom 2024-01-09",
        "url": "https://ubuntu.com/security/notices/USN-6548-4"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6548-2 vom 2023-12-12",
        "url": "https://ubuntu.com/security/notices/USN-6548-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6626-2 vom 2024-02-14",
        "url": "https://ubuntu.com/security/notices/USN-6626-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6628-2 vom 2024-02-15",
        "url": "https://ubuntu.com/security/notices/USN-6628-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6548-5 vom 2024-01-10",
        "url": "https://ubuntu.com/security/notices/USN-6548-5"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4783-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017320.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4811-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017340.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6548-3 vom 2023-12-13",
        "url": "https://ubuntu.com/security/notices/USN-6548-3"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4782-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017333.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4810-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017341.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4731-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017378.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4732-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017376.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4730-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017384.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4734-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017379.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4733-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017383.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6626-3 vom 2024-02-16",
        "url": "https://ubuntu.com/security/notices/USN-6626-3"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0344-1 vom 2024-02-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017861.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0348-1 vom 2024-02-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017867.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0331-1 vom 2024-02-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017863.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0389-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017880.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0358-1 vom 2024-02-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017871.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0352-1 vom 2024-02-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017872.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0378-1 vom 2024-02-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017873.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0351-1 vom 2024-02-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017869.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0395-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017877.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0414-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017885.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0409-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017883.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0421-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017887.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0100-1 vom 2024-02-07",
        "url": "https://ubuntu.com/security/notices/LSN-0100-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0411-1 vom 2024-02-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017886.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6626-1 vom 2024-02-08",
        "url": "https://ubuntu.com/security/notices/USN-6626-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6624-1 vom 2024-02-07",
        "url": "https://ubuntu.com/security/notices/USN-6624-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0428-1 vom 2024-02-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017890.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6628-1 vom 2024-02-09",
        "url": "https://ubuntu.com/security/notices/USN-6628-1"
      },
      {
        "category": "external",
        "summary": "GitHub Security Advisory GHSA-fq9v-vwjc-pv76 vom 2023-11-16",
        "url": "https://github.com/advisories/GHSA-fq9v-vwjc-pv76"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0102-1 vom 2024-04-03",
        "url": "https://ubuntu.com/security/notices/LSN-0102-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:2394 vom 2024-04-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:2394"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:2950 vom 2024-05-22",
        "url": "https://access.redhat.com/errata/RHSA-2024:2950"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:3138 vom 2024-05-22",
        "url": "https://access.redhat.com/errata/RHSA-2024:3138"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7156774 vom 2024-06-07",
        "url": "https://www.ibm.com/support/pages/node/7156774"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation oder DoS",
    "tracking": {
      "current_release_date": "2024-06-09T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-10T08:07:52.032+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2950",
      "initial_release_date": "2023-11-16T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-11-16T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-12-11T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-12T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-13T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-14T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-01-09T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-10T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-05T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-06T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-07T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-08T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-13T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-14T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-15T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-25T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-04-03T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-04-29T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-05-21T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-06-09T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "19"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "IBM QRadar SIEM",
            "product": {
              "name": "IBM QRadar SIEM",
              "product_id": "T021415",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:qradar_siem:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "T006656",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "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-2023-6176",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht aufgrund einer Nullzeiger-Dereferenzierung in der API f\u00fcr die Scatterwalk-Funktionalit\u00e4t des kryptografischen Algorithmus. Ein lokaler Angreifer mit bestimmten Berechtigungen kann diese Schwachstelle ausnutzen, indem er ein b\u00f6sartiges Paket mit einer bestimmten Socketkonfiguration erstellt, um einen Denial-of-Service-Zustand zu verursachen und seine Berechtigungen zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T006656",
          "67646",
          "T000126",
          "T021415"
        ]
      },
      "release_date": "2023-11-16T23:00:00Z",
      "title": "CVE-2023-6176"
    }
  ]
}


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