wid-sec-w-2023-1678
Vulnerability from csaf_certbund
Published
2023-07-06 22:00
Modified
2024-01-18 23:00
Summary
Linux Kernel: Schwachstelle ermöglicht Denial of Service

Notes

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.
Produktbeschreibung
Der Kernel stellt den Kern des Linux Betriebssystems dar.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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-2023-1678 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1678.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1678 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1678"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla \u2013 Bug 2214348 vom 2023-07-06",
        "url": "http://bugzilla.redhat.com/show_bug.cgi?id=2214348"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2803-1 vom 2023-07-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015466.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2820-1 vom 2023-07-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015477.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6231-1 vom 2023-07-14",
        "url": "https://ubuntu.com/security/notices/USN-6231-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2831-1 vom 2023-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015492.html"
      },
      {
        "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": "SUSE Security Update SUSE-SU-2023:2892-1 vom 2023-07-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015533.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3302-1 vom 2023-08-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015894.html"
      },
      {
        "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": "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-6339-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6339-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6351-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6351-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6350-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6350-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6339-2 vom 2023-09-09",
        "url": "https://ubuntu.com/security/notices/USN-6339-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6339-3 vom 2023-09-11",
        "url": "https://ubuntu.com/security/notices/USN-6339-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6339-4 vom 2023-09-18",
        "url": "https://ubuntu.com/security/notices/USN-6339-4"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6388-1 vom 2023-09-20",
        "url": "https://ubuntu.com/security/notices/USN-6388-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6412-1 vom 2023-10-04",
        "url": "https://ubuntu.com/security/notices/USN-6412-1"
      },
      {
        "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-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": "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": "Debian Security Advisory DLA-3710 vom 2024-01-11",
        "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.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"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-01-18T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:34:50.080+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1678",
      "initial_release_date": "2023-07-06T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-07-06T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-07-10T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-13T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-16T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu und SUSE aufgenommen"
        },
        {
          "date": "2023-07-18T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-07-19T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-20T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-09-05T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-06T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-10T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-11T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-18T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-19T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-10-04T22:00:00.000+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 aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-11T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Oracle Linux 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": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel \u003c 6.4-rc2",
            "product": {
              "name": "Open Source Linux Kernel \u003c 6.4-rc2",
              "product_id": "T006656",
              "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-2023-3212",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux-Kernel. Der Fehler besteht aufgrund einer NULL-Zeiger-Dereferenz im gfs2-Dateisystem. Dieses Problem tritt bei besch\u00e4digten gfs2-Dateisystemen auf, wenn der evict-Code versucht, die Journal-Deskriptor-Struktur zu referenzieren, nachdem sie freigegeben und auf NULL gesetzt wurde. Ein lokaler Angreifer mit bestimmten Rechten kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-07-06T22:00:00Z",
      "title": "CVE-2023-3212"
    }
  ]
}


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