WID-SEC-W-2023-2549
Vulnerability from csaf_certbund
Published
2023-10-03 22:00
Modified
2024-05-15 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Privilegieneskalation

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 seine Privilegien zu erhöhen.
Betroffene Betriebssysteme
- Linux


To clipboard 

{
  "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 seine Privilegien zu erh\u00f6hen.",
        "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-2023-2549 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2549.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2549 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2549"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6607-1 vom 2024-01-26",
        "url": "https://ubuntu.com/security/notices/USN-6607-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7734 vom 2023-12-12",
        "url": "https://access.redhat.com/errata/RHSA-2023:7734"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6572-1 vom 2024-01-09",
        "url": "https://ubuntu.com/security/notices/USN-6572-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7749 vom 2023-12-13",
        "url": "https://access.redhat.com/errata/RHSA-2023:7749"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4801-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017337.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4766-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017325.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4775-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017323.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4805-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017338.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4822-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017351.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4841-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017353.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4872-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017423.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-13047 vom 2023-12-14",
        "url": "https://linux.oracle.com/errata/ELSA-2023-13047.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4848-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017418.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4863-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017414.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-7749 vom 2023-12-22",
        "url": "https://linux.oracle.com/errata/ELSA-2023-7749.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0100-1 vom 2024-02-07",
        "url": "https://ubuntu.com/security/notices/LSN-0100-1"
      },
      {
        "category": "external",
        "summary": "NIST Database vom 2023-10-03",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5345"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-50BD7C9C12 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-50bd7c9c12"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-C3BB819677 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-c3bb819677"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2023-830D9EC624 vom 2023-10-07",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2023-830d9ec624"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4035-1 vom 2023-10-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016616.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": "Ubuntu Security Notice USN-6461-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6461-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6502-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6502-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6503-1 vom 2023-11-21",
        "url": "https://ubuntu.com/security/notices/USN-6503-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-2 vom 2023-11-27",
        "url": "https://ubuntu.com/security/notices/USN-6502-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-3 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6502-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6520-1 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6520-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6502-4 vom 2023-11-30",
        "url": "https://ubuntu.com/security/notices/USN-6502-4"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6537-1 vom 2023-12-06",
        "url": "https://ubuntu.com/security/notices/USN-6537-1"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7152469 vom 2024-05-15",
        "url": "https://www.ibm.com/support/pages/node/7152469"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2024-05-15T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-16T08:04:39.659+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-2549",
      "initial_release_date": "2023-10-03T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-10-03T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-10-10T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-15T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-16T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-31T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-21T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-27T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-30T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-06T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-12-12T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-12-13T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-12-14T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-12-26T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-09T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-25T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-02-07T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-05-15T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "20"
    }
  },
  "product_tree": {
    "branches": [
      {
        "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": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "12",
                "product": {
                  "name": "IBM Security Guardium 12.0",
                  "product_id": "T031092",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:security_guardium:12.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Security Guardium"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "T029591",
              "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-2023-5345",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Use-after-Free-Fehler in \"fs/smb/client\" zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T029591",
          "T000126",
          "T031092",
          "T004914",
          "74185"
        ]
      },
      "release_date": "2023-10-03T22:00:00Z",
      "title": "CVE-2023-5345"
    }
  ]
}


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