{
  "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 Sicherheitsvorkehrungen zu umgehen.",
        "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-2023-1971 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1971.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1971 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1971"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2229498 vom 2023-08-06",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2229498"
      },
      {
        "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": "Fedora Security Advisory FEDORA-2023-D9509BE489 vom 2023-08-11",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-d9509be489"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5480 vom 2023-08-18",
        "url": "https://lists.debian.org/debian-security-announce/2023/msg00172.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3390-1 vom 2023-08-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015998.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3392-1 vom 2023-08-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015997.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2023-051 vom 2023-08-23",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-051.html"
      },
      {
        "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": "SUSE Security Update SUSE-SU-2023:3601-1 vom 2023-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016153.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3600-1 vom 2023-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016151.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3599-1 vom 2023-09-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016152.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3656-1 vom 2023-09-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016181.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3684-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016211.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3683-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016212.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3681-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016214.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3682-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016213.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3704-1 vom 2023-09-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016234.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3705-1 vom 2023-09-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016233.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3599-2 vom 2023-09-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016283.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3600-2 vom 2023-09-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016284.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3704-2 vom 2023-09-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016285.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3683-2 vom 2023-09-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016287.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3785-1 vom 2023-09-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016326.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3964-1 vom 2023-10-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016501.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-6412-1 vom 2023-10-04",
        "url": "https://ubuntu.com/security/notices/USN-6412-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6417-1 vom 2023-10-05",
        "url": "https://ubuntu.com/security/notices/USN-6417-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3969-1 vom 2023-10-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016513.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3971-1 vom 2023-10-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016512.html"
      },
      {
        "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": "Ubuntu Security Notice USN-6416-2 vom 2023-10-06",
        "url": "https://ubuntu.com/security/notices/USN-6416-2"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3623 vom 2023-10-19",
        "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.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": "Red Hat Security Advisory RHSA-2023:6583 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6583"
      },
      {
        "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": "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 Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-01-28T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:39:21.913+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1971",
      "initial_release_date": "2023-08-06T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-08-06T22:00:00.000+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": "2023-08-20T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE und Amazon aufgenommen"
        },
        {
          "date": "2023-09-06T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-10T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-09-14T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-18T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-20T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-21T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-09-26T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-03T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-04T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu und SUSE aufgenommen"
        },
        {
          "date": "2023-10-05T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Debian und Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-24T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-28T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "22"
    }
  },
  "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_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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel \u003c 6.5-rc5",
            "product": {
              "name": "Open Source Linux Kernel \u003c 6.5-rc5",
              "product_id": "T029103",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:6.5-rc5"
              }
            }
          }
        ],
        "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-2023-4194",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler ist auf eine Typenverwechslung in der TUN/TAP-Funktionalit\u00e4t zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T032377",
          "T032378",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2023-08-06T22:00:00Z",
      "title": "CVE-2023-4194"
    }
  ]
}