WID-SEC-W-2023-0512
Vulnerability from csaf_certbund
Published
2023-02-28 23:00
Modified
2024-02-27 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Denial of Service

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 entfernter, authentisierter Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux


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": "Der Kernel stellt den Kern des Linux Betriebssystems dar.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2023-0512 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0512.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0512 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0512"
      },
      {
        "category": "external",
        "summary": "RedHat Bugzilla vom 2023-02-28",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2173973"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:0779-1 vom 2023-03-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014076.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1609-1 vom 2023-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014197.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1608-1 vom 2023-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014202.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1710-1 vom 2023-03-31",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014289.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12232 vom 2023-04-04",
        "url": "https://oss.oracle.com/pipermail/el-errata/2023-April/013847.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6001-1 vom 2023-04-06",
        "url": "https://ubuntu.com/security/notices/USN-6001-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1801-1 vom 2023-04-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014437.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1800-1 vom 2023-04-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014435.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1803-1 vom 2023-04-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014434.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2023-0007 vom 2023-04-06",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2023-April/001073.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1811-1 vom 2023-04-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014442.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1848-1 vom 2023-04-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014466.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1894-1 vom 2023-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014488.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6031-1 vom 2023-04-19",
        "url": "https://ubuntu.com/security/notices/USN-6031-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6024-1 vom 2023-04-25",
        "url": "https://ubuntu.com/security/notices/USN-6040-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6043-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2232-1 vom 2023-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2805-1 vom 2023-07-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015468.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2871-1 vom 2023-07-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015524.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6235-1 vom 2023-07-18",
        "url": "https://ubuntu.com/security/notices/USN-6235-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:5627 vom 2023-10-11",
        "url": "https://access.redhat.com/errata/RHSA-2023:5627"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:5628 vom 2023-10-11",
        "url": "https://access.redhat.com/errata/RHSA-2023:5628"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6813 vom 2023-11-08",
        "url": "https://access.redhat.com/errata/RHSA-2023:6813"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2646-1 vom 2024-02-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/018025.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-02-27T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-28T10:38:56.445+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0512",
      "initial_release_date": "2023-02-28T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-02-28T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-03-16T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-27T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-02T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-04T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-04-05T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-10T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE und ORACLE aufgenommen"
        },
        {
          "date": "2023-04-11T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-16T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-19T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-24T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-26T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-18T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-10T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-10T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-08T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "20"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 6.0-rc1",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 6.0-rc1",
                  "product_id": "T026568",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.0-rc1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Linux Kernel"
          }
        ],
        "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:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3",
                "product": {
                  "name": "Oracle VM 3",
                  "product_id": "T019617",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:oracle:vm:3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "VM"
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "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-2023-1095",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Im Netfilter-Subsystem besteht ein Problem mit einer NULL-Zeiger-Dereferenz aufgrund eines Fehlers in \"nf_tables_updtable\". Dieser tritt auf wenn ein Transaktionsobjekt freigegeben wird, das nicht auf dem Listenkopf platziert ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T000126",
          "T019617",
          "T004914"
        ]
      },
      "release_date": "2023-02-28T23:00:00Z",
      "title": "CVE-2023-1095"
    }
  ]
}


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