wid-sec-w-2023-1150
Vulnerability from csaf_certbund
Published
2023-05-04 22:00
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 lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux



{
  "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 Angriff durchzuf\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-2023-1150 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1150.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1150 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1150"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2193097 vom 2023-05-04",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2193097"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2023-045 vom 2023-05-17",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-045.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2023-032 vom 2023-05-17",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2023-032.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-2035 vom 2023-05-17",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2035.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1744 vom 2023-05-24",
        "url": "https://alas.aws.amazon.com/ALAS-2023-1744.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2502-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015177.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2501-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015178.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2500-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015179.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2507-1 vom 2023-06-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015198.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2534-1 vom 2023-06-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015227.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2537-1 vom 2023-06-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015226.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2538-1 vom 2023-06-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015234.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2611-1 vom 2023-06-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015266.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2651-1 vom 2023-06-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015326.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2653-1 vom 2023-06-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015325.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2782-1 vom 2023-07-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015410.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-6254-1 vom 2023-07-26",
        "url": "https://ubuntu.com/security/notices/USN-6254-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12842 vom 2023-10-04",
        "url": "http://linux.oracle.com/errata/ELSA-2023-12842.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2023-0023 vom 2023-11-03",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2023-November/001088.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7077 vom 2023-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:7077"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6901 vom 2023-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:6901"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0412 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0412"
      },
      {
        "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": "2024-02-28T10:38:05.713+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1150",
      "initial_release_date": "2023-05-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-05-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-05-16T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-23T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-06-13T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-19T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-21T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-27T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-04T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-10T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-26T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-03T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-11-05T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-25T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "18"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "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 Extended Lifecycle Support (ELS)",
                "product": {
                  "name": "Oracle VM 3 Extended Lifecycle Support (ELS)",
                  "product_id": "T030927",
                  "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-2023-2513",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux-Kernel. Der Fehler besteht aufgrund eines Use-after-free-Fehlers im ext4-Dateisystem. Ein lokaler Angreifer mit bestimmten Rechten kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T004914",
          "T030927"
        ]
      },
      "release_date": "2023-05-04T22:00:00Z",
      "title": "CVE-2023-2513"
    }
  ]
}


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