{
  "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-2023-0780 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0780.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-0780 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0780"
    }, {
      "category" : "external",
      "summary" : "RedHat Bugzilla vom 2023-03-27",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2177389"
    }, {
      "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-2023:1609-1 vom 2023-03-28",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-March/014197.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5982-1 vom 2023-03-28",
      "url" : "https://ubuntu.com/security/notices/USN-5982-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5981-1 vom 2023-03-28",
      "url" : "https://ubuntu.com/security/notices/USN-5981-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5987-1 vom 2023-03-29",
      "url" : "https://www.cybersecurity-help.cz/vdb/SB2023032946"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5984-1 vom 2023-03-29",
      "url" : "https://www.cybersecurity-help.cz/vdb/SB2023032948"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-5991-1 vom 2023-03-31",
      "url" : "https://ubuntu.com/security/notices/USN-5991-1"
    }, {
      "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" : "Ubuntu Security Notice USN-6000-1 vom 2023-04-06",
      "url" : "https://ubuntu.com/security/notices/USN-6000-1"
    }, {
      "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" : "Ubuntu Security Notice USN-6009-1 vom 2023-04-12",
      "url" : "https://ubuntu.com/security/notices/USN-6009-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6004-1 vom 2023-04-11",
      "url" : "https://ubuntu.com/security/notices/USN-6004-1"
    }, {
      "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 LSN-0094-1 vom 2023-04-19",
      "url" : "https://ubuntu.com/security/notices/USN-6024-1"
    }, {
      "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" : "Ubuntu Security Notice USN-6030-1 vom 2023-04-19",
      "url" : "https://ubuntu.com/security/notices/USN-6030-1"
    }, {
      "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" : "Debian Security Advisory DLA-3404 vom 2023-05-03",
      "url" : "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.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-2023:2232-1 vom 2023-05-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014918.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6149-1 vom 2023-06-08",
      "url" : "https://ubuntu.com/security/notices/USN-6149-1"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-12375 vom 2023-06-07",
      "url" : "https://linux.oracle.com/errata/ELSA-2023-12375.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:2506-1 vom 2023-06-14",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015199.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" : "Ubuntu Security Notice USN-6235-1 vom 2023-07-18",
      "url" : "https://ubuntu.com/security/notices/USN-6235-1"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2023-0017 vom 2023-08-17",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2023-August/001076.html"
    }, {
      "category" : "external",
      "summary" : "ORACLE OVMSA-2023-0016 vom 2023-08-17",
      "url" : "https://oss.oracle.com/pipermail/oraclevm-errata/2023-August/001084.html"
    }, {
      "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-2023:7077 vom 2023-11-15",
      "url" : "https://access.redhat.com/errata/RHSA-2023:7077"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2023-6583 vom 2024-01-18",
      "url" : "https://oss.oracle.com/pipermail/el-errata/2024-January/015150.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:0575 vom 2024-01-30",
      "url" : "https://access.redhat.com/errata/RHSA-2024:0575"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:0724 vom 2024-02-07",
      "url" : "https://access.redhat.com/errata/RHSA-2024:0724"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:03613-1 vom 2025-10-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-October/022915.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:03614-1 vom 2025-10-16",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-October/022911.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:03615-1 vom 2025-10-16",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BVPLWRQN6MVKFQDJSEKN2JP6PMSGIO4Q/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:03626-1 vom 2025-10-17",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/Z3DYHRRLY43MYRNEEU5SFR4ZRMSPITED/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:03628-1 vom 2025-10-17",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/O6BEPQBC4GULLYP5G3VVU4ZS37B7I6EV/"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:3716-1 vom 2025-10-22",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-October/022962.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:3761-1 vom 2025-10-23",
      "url" : "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/MLTPAKCOQABZPEY7O35CI42PHK5WNIUQ/"
    }, {
      "category" : "external",
      "summary" : "Dell Security Advisory DSA-2023-268 vom 2025-11-06",
      "url" : "https://www.dell.com/support/kbdoc/de-de/000216397/dsa-2023-268-security-update-for-dell-avamar-dell-networker-virtual-edition-nve-and-dell-powerprotect-dp-series-appliance-dell-integrated-data-protection-appliance-idpa-security-update-for-multiple-vulnerabilities"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2025:4315-1 vom 2025-12-01",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2025-December/023442.html"
    }, {
      "category" : "external",
      "summary" : "Dell Security Advisory DSA-2026-030 vom 2026-01-30",
      "url" : "https://www.dell.com/support/kbdoc/de-de/000421570/dsa-2026-030-security-update-for-dell-networker-vproxy-multiple-third-party-component-vulnerabilities"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2026-01-29T23:00:00.000+00:00",
      "generator" : {
        "date" : "2026-01-30T11:46:38.289+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.5.0"
        }
      },
      "id" : "WID-SEC-W-2023-0780",
      "initial_release_date" : "2023-03-27T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-03-27T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-03-28T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-03-29T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-02T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Ubuntu und SUSE aufgenommen"
      }, {
        "date" : "2023-04-05T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-10T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-04-11T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von Ubuntu und SUSE aufgenommen"
      }, {
        "date" : "2023-04-16T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-04-18T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE und Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-19T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-24T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-04-26T22:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-05-02T22:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-05-03T22:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-05-18T22:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-06-08T22:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Ubuntu und Oracle Linux aufgenommen"
      }, {
        "date" : "2023-06-13T22:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-07-10T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-07-18T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-08-17T22:00:00.000+00:00",
        "number" : "20",
        "summary" : "Neue Updates von ORACLE aufgenommen"
      }, {
        "date" : "2023-11-14T23:00:00.000+00:00",
        "number" : "21",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-01-18T23:00:00.000+00:00",
        "number" : "22",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-01-30T23:00:00.000+00:00",
        "number" : "23",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-02-07T23:00:00.000+00:00",
        "number" : "24",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2025-10-15T22:00:00.000+00:00",
        "number" : "25",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-10-16T22:00:00.000+00:00",
        "number" : "26",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-10-19T22:00:00.000+00:00",
        "number" : "27",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-10-21T22:00:00.000+00:00",
        "number" : "28",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-10-23T22:00:00.000+00:00",
        "number" : "29",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2025-11-06T23:00:00.000+00:00",
        "number" : "30",
        "summary" : "Neue Updates von Dell aufgenommen"
      }, {
        "date" : "2025-12-01T23:00:00.000+00:00",
        "number" : "31",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2026-01-29T23:00:00.000+00:00",
        "number" : "32",
        "summary" : "Neue Updates von Dell aufgenommen"
      } ],
      "status" : "final",
      "version" : "32"
    }
  },
  "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" : "Dell Avamar",
        "product" : {
          "name" : "Dell Avamar",
          "product_id" : "T039664",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:dell:avamar:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Virtual Edition",
          "product" : {
            "name" : "Dell NetWorker Virtual Edition",
            "product_id" : "T048226",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dell:networker:virtual_edition"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "vProxy <19.14",
          "product" : {
            "name" : "Dell NetWorker vProxy <19.14",
            "product_id" : "T050451"
          }
        }, {
          "category" : "product_version",
          "name" : "vProxy 19.14",
          "product" : {
            "name" : "Dell NetWorker vProxy 19.14",
            "product_id" : "T050451-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:dell:networker:vproxy__19.14"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "NetWorker"
      } ],
      "category" : "vendor",
      "name" : "Dell"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<6.2 RC1",
          "product" : {
            "name" : "Open Source Linux Kernel <6.2 RC1",
            "product_id" : "T026719"
          }
        }, {
          "category" : "product_version",
          "name" : "6.2 RC1",
          "product" : {
            "name" : "Open Source Linux Kernel 6.2 RC1",
            "product_id" : "T026719-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:linux:linux_kernel:6.2_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:-"
          }
        }
      } ],
      "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-2023-28328",
    "product_status" : {
      "known_affected" : [ "T026719", "2951", "T002207", "67646", "T000126", "T004914", "T050451", "T048226", "T039664" ]
    },
    "release_date" : "2023-03-27T22:00:00.000+00:00",
    "title" : "CVE-2023-28328"
  } ]
}