{
  "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 Angriff durchzuführen.",
      "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-2023-0879 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0879.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0879 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0879"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7034265 vom 2023-09-20",
      "url" : "https://www.ibm.com/support/pages/node/7034265"
    }, {
      "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" : "Oracle Linux Security Advisory ELSA-2021-9223 vom 2021-05-10",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9223.html"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2021-9222 vom 2021-05-10",
      "url" : "https://linux.oracle.com/errata/ELSA-2021-9222.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-4979-1 vom 2021-06-03",
      "url" : "https://ubuntu.com/security/notices/USN-4979-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2610 vom 2021-03-31",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1596-1 vom 2021-05-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008770.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1573-1 vom 2021-05-12",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008764.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1176-1 vom 2021-04-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008627.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1177-1 vom 2021-04-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008624.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1175-1 vom 2021-04-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008625.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1625-1 vom 2021-05-18",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008782.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1624-1 vom 2021-05-18",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008781.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1211-1 vom 2021-04-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008642.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1210-1 vom 2021-04-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008641.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1238-1 vom 2021-04-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-April/008645.html"
    }, {
      "category" : "external",
      "summary" : "Eintrag in der OSS Mailing-list vom 2021-03-16",
      "url" : "http://seclists.org/oss-sec/2021/q1/212"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1977-1 vom 2021-06-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009018.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2021:1975-1 vom 2021-06-15",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009015.html"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DLA-2689 vom 2021-06-23",
      "url" : "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5137-1 vom 2021-11-09",
      "url" : "https://ubuntu.com/security/notices/USN-5137-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5137-2 vom 2021-11-11",
      "url" : "https://ubuntu.com/security/notices/USN-5137-2"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2023-09-19T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:48:15.813+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-0879",
      "initial_release_date" : "2021-03-16T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2021-03-16T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2021-03-30T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-04-13T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-04-15T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-04-18T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-10T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2021-05-13T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-05-18T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-03T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-06-15T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2021-06-22T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2021-11-08T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2021-11-10T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-05T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-19T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von IBM aufgenommen"
      } ],
      "status" : "final",
      "version" : "15"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : [ {
        "category" : "product_name",
        "name" : "IBM Spectrum Protect < plus 10.1.15.2",
        "product" : {
          "name" : "IBM Spectrum Protect < plus 10.1.15.2",
          "product_id" : "T029988",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:ibm:spectrum_protect:plus_10.1.15.2"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "6368",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:linux: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" : [ {
        "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-2021-3428",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel, welche auf die Art zurückzuführen ist, wie Speicher in der Funktion \"unix_stream_recvmsg\" befreit wird, wenn ein weiteres Signal erwartet wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen."
    } ],
    "product_status" : {
      "known_affected" : [ "2951", "T002207", "6368", "T000126", "T029988", "T004914" ]
    },
    "release_date" : "2021-03-16T23:00:00.000+00:00",
    "title" : "CVE-2021-3428"
  } ]
}