{
  "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 ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- 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-2023-1063 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1063.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1063 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1063"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2184395 vom 2023-04-23",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2184395"
      },
      {
        "category": "external",
        "summary": "Fedora vom 2023-04-23",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-4f2cf7e5d2"
      },
      {
        "category": "external",
        "summary": "Fedora vom 2023-04-23",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-6325ed25c4"
      },
      {
        "category": "external",
        "summary": "Fedora vom 2023-04-23",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-9e7774da21"
      },
      {
        "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": "Ubuntu Security Notice USN-6056-1 vom 2023-05-05",
        "url": "https://ubuntu.com/security/notices/USN-6056-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6071-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6071-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6072-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6072-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6172-1 vom 2023-06-16",
        "url": "https://ubuntu.com/security/notices/USN-6172-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6171-1 vom 2023-06-16",
        "url": "https://ubuntu.com/security/notices/USN-6171-1"
      },
      {
        "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-6187-1 vom 2023-06-22",
        "url": "https://ubuntu.com/security/notices/USN-6187-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6185-1 vom 2023-06-22",
        "url": "https://ubuntu.com/security/notices/USN-6185-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6207-1 vom 2023-07-06",
        "url": "https://ubuntu.com/security/notices/USN-6207-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6223-1 vom 2023-07-12",
        "url": "https://ubuntu.com/security/notices/USN-6223-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6252-1 vom 2023-07-26",
        "url": "https://ubuntu.com/security/notices/USN-6252-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3988-1 vom 2023-10-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016554.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4030-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016618.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4033-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016620.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4031-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016617.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4032-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016621.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": "SUSE Security Update SUSE-SU-2023:4095-1 vom 2023-10-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016715.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4142-1 vom 2023-10-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016764.html"
      },
      {
        "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": "DELL Security Update",
        "url": "https://www.dell.com/support/kbdoc/de-de/000221476/dsa-2024-058-security-update-for-dell-networker-vproxy-multiple-components-vulnerabilities"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-01-28T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:25:35.529+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1063",
      "initial_release_date": "2023-04-23T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-23T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-03T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-07T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-10T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-18T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-22T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-06T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-12T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-26T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-05T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-10T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-15T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-16T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-17T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-22T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-01-28T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "18"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Dell NetWorker vProxy\u003c 19.9.0.4",
                "product": {
                  "name": "Dell NetWorker vProxy\u003c 19.9.0.4",
                  "product_id": "T032377",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:vproxy_19.9.0.4"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Dell NetWorker vProxy\u003c 19.10",
                "product": {
                  "name": "Dell NetWorker vProxy\u003c 19.10",
                  "product_id": "T032378",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dell:networker:vproxy_19.10"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "NetWorker"
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "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": "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-2023-1859",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux-Kernel. Der Fehler besteht aufgrund eines Use-after-free-Fehlers in der Funktion xen_9pfs_front_removet in der Komponente Xen transport for 9pfs. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, der m\u00f6glicherweise zu einem Kernel-Informationsleck f\u00fchrt."
        }
      ],
      "product_status": {
        "known_affected": [
          "T032377",
          "T032378",
          "2951",
          "T002207",
          "6368",
          "T000126"
        ]
      },
      "release_date": "2023-04-23T22:00:00Z",
      "title": "CVE-2023-1859"
    }
  ]
}