{
  "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 oder Sicherheitsvorkehrungen zu umgehen.",
      "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-2023-1978 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1978.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-1978 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1978"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin 7111646 vom 2024-01-24",
      "url" : "https://www.ibm.com/support/pages/node/7111646"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla Bug ID: 2213802 vom 2023-08-07",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2213802"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-D9509BE489 vom 2023-08-11",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-d9509be489"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-EE241DCF80 vom 2023-08-11",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-ee241dcf80"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6343-1 vom 2023-09-06",
      "url" : "https://ubuntu.com/security/notices/USN-6343-1"
    }, {
      "category" : "external",
      "summary" : "Debian Security Advisory DSA-5492 vom 2023-09-10",
      "url" : "https://lists.debian.org/debian-security-announce/2023/msg00184.html"
    }, {
      "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" : "Ubuntu Security Notice USN-6416-1 vom 2023-10-05",
      "url" : "https://ubuntu.com/security/notices/USN-6416-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6416-2 vom 2023-10-06",
      "url" : "https://ubuntu.com/security/notices/USN-6416-2"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:4035-1 vom 2023-10-10",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016616.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:4072-1 vom 2023-10-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016677.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:4071-1 vom 2023-10-13",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016678.html"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:4093-1 vom 2023-10-17",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016702.html"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6416-3 vom 2023-10-19",
      "url" : "https://ubuntu.com/security/notices/USN-6416-3"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6445-1 vom 2023-10-20",
      "url" : "https://ubuntu.com/security/notices/USN-6445-1"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6445-2 vom 2023-10-24",
      "url" : "https://ubuntu.com/security/notices/USN-6445-2"
    }, {
      "category" : "external",
      "summary" : "Ubuntu Security Notice USN-6466-1 vom 2023-10-31",
      "url" : "https://ubuntu.com/security/notices/USN-6466-1"
    }, {
      "category" : "external",
      "summary" : "SUSE Security Update SUSE-SU-2023:4072-2 vom 2023-11-06",
      "url" : "https://lists.suse.com/pipermail/sle-security-updates/2023-November/016995.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2023:6583 vom 2023-11-07",
      "url" : "https://access.redhat.com/errata/RHSA-2023:6583"
    }, {
      "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-2024:3859 vom 2024-06-12",
      "url" : "https://access.redhat.com/errata/RHSA-2024:3859"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:4740 vom 2024-07-24",
      "url" : "https://access.redhat.com/errata/RHSA-2024:4740"
    } ],
    "source_lang" : "en-US",
    "title" : "Linux Kernel: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-07-23T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T17:56:38.686+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2023-1978",
      "initial_release_date" : "2023-08-07T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-08-07T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-08-13T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2023-09-06T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-09-10T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Debian aufgenommen"
      }, {
        "date" : "2023-10-04T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-08T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-10T22:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-10-15T22:00:00.000+00:00",
        "number" : "8",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-10-16T22:00:00.000+00:00",
        "number" : "9",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-10-19T22:00:00.000+00:00",
        "number" : "10",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-24T22:00:00.000+00:00",
        "number" : "11",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-10-31T23:00:00.000+00:00",
        "number" : "12",
        "summary" : "Neue Updates von Ubuntu aufgenommen"
      }, {
        "date" : "2023-11-06T23:00:00.000+00:00",
        "number" : "13",
        "summary" : "Neue Updates von SUSE aufgenommen"
      }, {
        "date" : "2023-11-07T23:00:00.000+00:00",
        "number" : "14",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2023-11-14T23:00:00.000+00:00",
        "number" : "15",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-01-18T23:00:00.000+00:00",
        "number" : "16",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-01-24T23:00:00.000+00:00",
        "number" : "17",
        "summary" : "Neue Updates von IBM aufgenommen"
      }, {
        "date" : "2024-06-11T22:00:00.000+00:00",
        "number" : "18",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-07-23T22:00:00.000+00:00",
        "number" : "19",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      } ],
      "status" : "final",
      "version" : "19"
    }
  },
  "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" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "12",
          "product" : {
            "name" : "IBM Security Guardium 12.0",
            "product_id" : "T031092",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:ibm:security_guardium:12.0"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Security Guardium"
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Linux Kernel",
        "product" : {
          "name" : "Open Source Linux Kernel",
          "product_id" : "T029076",
          "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" : "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-2023-4155",
    "notes" : [ {
      "category" : "description",
      "text" : "Es existiert eine Schwachstelle im Linux Kernel. Diese besteht in der Komponente \"KVM AMD Secure Encrypted Virtualization (SEV)\" und ist auf eine Race-Condition zurückzuführen. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen oder Sicherheitsvorkehrungen zu umgehen."
    } ],
    "product_status" : {
      "known_affected" : [ "T029076", "2951", "T002207", "67646", "T000126", "T031092", "T004914", "74185" ]
    },
    "release_date" : "2023-08-07T22:00:00.000+00:00",
    "title" : "CVE-2023-4155"
  } ]
}