{
  "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 KVM ausnutzen, um einen nicht n\u00e4her spezifizierten Angriff durchzuf\u00fchren.",
        "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-2023-0911 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0911.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0911 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0911"
      },
      {
        "category": "external",
        "summary": "Nattional Vulnerability Database CVE-2023-30456 vom 2023-04-10",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30456"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6033-1 vom 2023-04-19",
        "url": "https://ubuntu.com/security/notices/USN-6033-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5791-2 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6045-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6044-1"
      },
      {
        "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": "Oracle Linux Security Advisory ELSA-2023-12339 vom 2023-05-09",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12339.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6124-1 vom 2023-05-30",
        "url": "https://ubuntu.com/security/notices/USN-6124-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6122-1 vom 2023-05-30",
        "url": "https://ubuntu.com/security/notices/USN-6123-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6127-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6127-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6130-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6130-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6131-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6131-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6132-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6132-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6135-1 vom 2023-06-02",
        "url": "https://ubuntu.com/security/notices/USN-6135-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6150-1 vom 2023-06-09",
        "url": "https://ubuntu.com/security/notices/USN-6150-1"
      },
      {
        "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-2023-12394 vom 2023-06-13",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12394.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12412 vom 2023-06-13",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12412.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12413 vom 2023-06-13",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12413.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2500-1 vom 2023-06-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015179.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6162-1 vom 2023-06-14",
        "url": "https://ubuntu.com/security/notices/USN-6162-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6175-1 vom 2023-06-16",
        "url": "https://ubuntu.com/security/notices/USN-6175-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6186-1 vom 2023-06-22",
        "url": "https://ubuntu.com/security/notices/USN-6186-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2653-1 vom 2023-06-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015325.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2782-1 vom 2023-07-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015410.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6211-1 vom 2023-07-07",
        "url": "https://ubuntu.com/security/notices/USN-6211-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6222-1 vom 2023-07-12",
        "url": "https://ubuntu.com/security/notices/USN-6222-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6256-1 vom 2023-07-26",
        "url": "https://ubuntu.com/security/notices/USN-6256-1"
      },
      {
        "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-2024:0930 vom 2024-02-21",
        "url": "https://access.redhat.com/errata/RHSA-2024:0930"
      },
      {
        "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-2023:6901 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": "Ubuntu Security Notice USN-6699-1 vom 2024-03-19",
        "url": "https://ubuntu.com/security/notices/USN-6699-1"
      },
      {
        "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": "Amazon Linux Security Advisory ALASKERNEL-5.10-2024-059 vom 2024-06-12",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2024-059.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2024-070 vom 2024-06-12",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2024-070.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel KVM: Schwachstelle erm\u00f6glicht nicht spezifizierten Angriff",
    "tracking": {
      "current_release_date": "2024-06-11T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-12T08:10:35.336+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0911",
      "initial_release_date": "2023-04-10T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-10T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-04-19T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-26T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-03T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-09T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-05-30T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-31T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-01T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-04T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-08T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-12T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-06-13T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Oracle Linux und SUSE aufgenommen"
        },
        {
          "date": "2023-06-14T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-22T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-27T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-04T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-09T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-12T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-26T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-02-20T23:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-02-27T23:00:00.000+00:00",
          "number": "28",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-03-18T23:00:00.000+00:00",
          "number": "29",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-19T23:00:00.000+00:00",
          "number": "30",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-06-11T22:00:00.000+00:00",
          "number": "31",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "31"
    }
  },
  "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": "\u003c6.2.8",
                "product": {
                  "name": "Open Source Linux Kernel \u003c6.2.8",
                  "product_id": "T026922",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:6.2.8"
                  }
                }
              }
            ],
            "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-2023-30456",
      "notes": [
        {
          "category": "description",
          "text": "Es gibt eine Schwachstelle in der KVM-Implementierung des Linux-Kernels in [arch/x86/kvm/vmx/nested.c]. In der \"nVMX\"-Komponente auf x86_64 fehlt eine Konsistenzpr\u00fcfung f\u00fcr die \"CR0\"- und \"CR4\"-Register. Ein Angreifer kann diese Schwachstelle ausnutzen, um nicht spezifizierte Auswirkungen zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-04-10T22:00:00Z",
      "title": "CVE-2023-30456"
    }
  ]
}