{
  "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": "- 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-2023-3223 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3223.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-3223 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3223"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6652-1 vom 2024-02-23",
        "url": "https://ubuntu.com/security/notices/USN-6652-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0469-1 vom 2024-02-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017911.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6639-1 vom 2024-02-15",
        "url": "https://ubuntu.com/security/notices/USN-6639-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0514-1 vom 2024-02-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017923.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0516-1 vom 2024-02-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-February/017921.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3711 vom 2024-01-11",
        "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0129-1 vom 2024-01-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017658.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0115-1 vom 2024-01-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017661.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0141-1 vom 2024-01-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017677.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0156-1 vom 2024-01-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017689.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0160-1 vom 2024-01-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017686.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2253034 vom 2023-12-27",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253034"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6624-1 vom 2024-02-07",
        "url": "https://ubuntu.com/security/notices/USN-6624-1"
      },
      {
        "category": "external",
        "summary": "IGEL Security Notice ISN-2024-06 vom 2024-03-12",
        "url": "https://kb.igel.com/securitysafety/en/isn-2024-06-os-11-kernel-vulnerabilities-117259724.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5593 vom 2024-01-01",
        "url": "https://lists.debian.org/debian-security-announce/2024/msg00000.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5594 vom 2024-01-02",
        "url": "https://lists.debian.org/debian-security-announce/2024/msg00001.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0986-1 vom 2024-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018213.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0989-1 vom 2024-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018212.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0991-1 vom 2024-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018215.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:0995-1 vom 2024-03-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018214.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1017-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018230.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1023-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018229.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1045-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018232.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1053-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018239.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1039-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018234.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1033-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018235.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1063-1 vom 2024-03-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018244.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1072-1 vom 2024-03-29",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018243.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1040-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018233.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1047-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018236.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1054-1 vom 2024-03-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018238.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1097-1 vom 2024-04-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018250.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1276-1 vom 2024-04-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018348.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1454-1 vom 2024-04-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018431.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:2394 vom 2024-04-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:2394"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1708-1 vom 2024-05-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018562.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1719-1 vom 2024-05-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018568.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:2010-1 vom 2024-06-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018711.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:2008-1 vom 2024-06-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-June/018706.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-06-12T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-13T08:08:04.931+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-3223",
      "initial_release_date": "2023-12-27T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-12-27T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-01-01T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-01-02T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-01-11T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-01-16T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-07T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-14T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE und Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-15T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-02-25T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-12T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von IGEL aufgenommen"
        },
        {
          "date": "2024-03-25T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-03-26T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-03-27T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-01T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-02T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-14T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-28T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-04-29T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-05-20T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-21T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-06-12T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "22"
    }
  },
  "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_version_range",
                "name": "\u003c11.10.100",
                "product": {
                  "name": "IGEL OS \u003c11.10.100",
                  "product_id": "T033380",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:igel:os:11.10.100"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "OS"
          }
        ],
        "category": "vendor",
        "name": "IGEL"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "T031829",
              "product_identification_helper": {
                "cpe": "cpe:/o:linux:linux_kernel:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2023-6531",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle im Linux-Kernel. Dieser Fehler besteht in der Funktion unix_stream_read_generic der Komponente SKB Handler aufgrund einer Race Condition, welche zu einem use-after-free Problem f\u00fchrt. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T033380",
          "T000126",
          "T031829"
        ]
      },
      "release_date": "2023-12-27T23:00:00Z",
      "title": "CVE-2023-6531"
    }
  ]
}