{
  "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 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."
    }, {
      "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 herbeizuführen und um potenziell seine Privilegien zu erhöhen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für 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"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2024:1489-1 vom 2024-08-19",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/D5LYDXV5ACGHUYO5XWLWD5VAOA5HLJ7U/"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-08-19T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-20T13:11:01.606+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "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"
      }, {
        "date" : "2024-08-19T22:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von SUSE aufgenommen"
      } ],
      "status" : "final",
      "version" : "24"
    }
  },
  "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" : "<5.16-rc7",
          "product" : {
            "name" : "Open Source Linux Kernel <5.16-rc7",
            "product_id" : "T026937"
          }
        }, {
          "category" : "product_version",
          "name" : "5.16-rc7",
          "product" : {
            "name" : "Open Source Linux Kernel 5.16-rc7",
            "product_id" : "T026937-fixed",
            "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\"-Gerätetreiber \"tun_free_netdev()\". Ein \"double-free\" Problem tritt auf, wenn die \"register_netdevice\" Funktion fehlschlägt. Ein lokaler Angreifer kann dies ausnutzen, um den Kernel zum Absturz zu bringen oder möglicherweise seine Privilegien zu erweitern."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "67646", "1174004", "398363", "T004914" ]
    },
    "release_date" : "2023-03-26T22:00:00.000+00:00",
    "title" : "CVE-2022-4744"
  } ]
}