{
  "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 lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren und um potenziell seine Privilegien zu erh\u00f6hen.",
        "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-2023-0761 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0761.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0761 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0761"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1466"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1467"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1468"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1469"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1470"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory vom 2023-03-26",
        "url": "https://access.redhat.com/errata/RHSA-2023:1471"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-1470 vom 2023-03-28",
        "url": "http://linux.oracle.com/errata/ELSA-2023-1470.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1802-1 vom 2023-04-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014436.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-2023:1811-1 vom 2023-04-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014442.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-1703 vom 2023-04-13",
        "url": "https://oss.oracle.com/pipermail/el-errata/2023-April/013908.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1897-1 vom 2023-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014485.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1892-1 vom 2023-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014489.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1992-1 vom 2023-04-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014572.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2023-044 vom 2023-05-02",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-044.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3403 vom 2023-05-03",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
      },
      {
        "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"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2694-1 vom 2023-06-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015352.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2698-1 vom 2023-06-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015362.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2695-1 vom 2023-06-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015364.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2701-1 vom 2023-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015369.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2724-1 vom 2023-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015385.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2714-1 vom 2023-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015373.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2710-1 vom 2023-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015377.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2727-1 vom 2023-06-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015386.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2741-1 vom 2023-06-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015389.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": "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-2024:1404 vom 2024-03-19",
        "url": "https://access.redhat.com/errata/RHSA-2024:1404"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1322-1 vom 2024-04-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018374.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1321-1 vom 2024-04-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018375.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1332-1 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018376.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1332-2 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018378.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1322-2 vom 2024-04-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018377.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1454-1 vom 2024-04-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018431.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1466-1 vom 2024-04-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018438.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1480-1 vom 2024-04-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018444.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1490-1 vom 2024-05-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018445.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-05-02T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-03T11:04:03.512+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0761",
      "initial_release_date": "2023-03-26T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-26T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-03-28T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-04-10T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-11T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-13T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-04-24T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-01T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-05-03T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-06-28T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-02T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-03-19T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-04-16T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-18T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-28T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-29T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-01T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-02T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "23"
    }
  },
  "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": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c5.16-rc7",
                "product": {
                  "name": "Open Source Linux Kernel \u003c5.16-rc7",
                  "product_id": "T026937",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.16:rc7"
                  }
                }
              }
            ],
            "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:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "9",
                "product": {
                  "name": "Red Hat Enterprise Linux 9.0",
                  "product_id": "1174004",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:redhat:enterprise_linux:9.0"
                  }
                }
              },
              {
                "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": "product_name",
            "name": "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-4744",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel im \"TUN/TAP\"-Ger\u00e4tetreiber \"tun_free_netdev()\". Ein \"double-free\" Problem tritt auf, wenn die \"register_netdevice\" Funktion fehlschl\u00e4gt. Ein lokaler Angreifer kann dies ausnutzen, um den Kernel zum Absturz zu bringen oder m\u00f6glicherweise seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "1174004",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-03-26T22:00:00Z",
      "title": "CVE-2022-4744"
    }
  ]
}