WID-SEC-W-2023-1877

Vulnerability from csaf_certbund - Published: 2023-07-24 22:00 - Updated: 2024-07-18 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht Offenlegung von Informationen

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 Informationen offenzulegen.
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 Informationen offenzulegen.",
        "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-2023-1877 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1877.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1877 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1877"
      },
      {
        "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"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla Bug ID: 2225126 vom 2023-07-24",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225126"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6285-1 vom 2023-08-11",
        "url": "https://ubuntu.com/security/notices/USN-6285-1"
      },
      {
        "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": "SUSE Security Update SUSE-SU-2023:3311-1 vom 2023-08-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015904.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": "SUSE Security Update SUSE-SU-2023:3376-1 vom 2023-08-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015987.html"
      },
      {
        "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-2023:3599-1 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-2023:3600-1 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-2023:3601-1 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-2023:3656-1 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-2023:3680-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016208.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3687-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016222.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-2023:3683-1 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-2023:3684-1 vom 2023-09-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016211.html"
      },
      {
        "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": "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-2023:3705-1 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-2023:3704-1 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-2023:3600-2 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-2023:3599-2 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-2023:3785-1 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": "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": "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-6417-1 vom 2023-10-05",
        "url": "https://ubuntu.com/security/notices/USN-6417-1"
      },
      {
        "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": "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-6464-1 vom 2023-10-31",
        "url": "https://ubuntu.com/security/notices/USN-6464-1"
      },
      {
        "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": "Ubuntu Security Notice USN-6520-1 vom 2023-11-28",
        "url": "https://ubuntu.com/security/notices/USN-6520-1"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2024-239 vom 2024-07-18",
        "url": "https://www.dell.com/support/kbdoc/de-de/000227051/dsa-2024-239-security-update-dell-ecs-3-8-1-1-for-multiple-security-vulnerabilities"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2024-07-18T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:56:10.996+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1877",
      "initial_release_date": "2023-07-24T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-07-24T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-14T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-08-20T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-08-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE 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 und Ubuntu 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 SUSE und Ubuntu 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": "2023-11-28T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-01-28T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Dell aufgenommen"
        },
        {
          "date": "2024-07-18T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "22"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "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": "\u003c3.8.1.1",
                "product": {
                  "name": "Dell ECS \u003c3.8.1.1",
                  "product_id": "T036366"
                }
              }
            ],
            "category": "product_name",
            "name": "ECS"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vProxy\u003c19.9.0.4",
                "product": {
                  "name": "Dell NetWorker vProxy\u003c19.9.0.4",
                  "product_id": "T032377"
                }
              },
              {
                "category": "product_version_range",
                "name": "vProxy\u003c19.10",
                "product": {
                  "name": "Dell NetWorker vProxy\u003c19.10",
                  "product_id": "T032378"
                }
              }
            ],
            "category": "product_name",
            "name": "NetWorker"
          }
        ],
        "category": "vendor",
        "name": "Dell"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c6.5-rc1",
                "product": {
                  "name": "Open Source Linux Kernel \u003c6.5-rc1",
                  "product_id": "T028895"
                }
              }
            ],
            "category": "product_name",
            "name": "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-2023-3863",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Diese ist auf einen Use-after-Free-Fehler in \"nfc_llcp_find_local\" zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T032377",
          "T032378",
          "2951",
          "T002207",
          "T000126",
          "T036366"
        ]
      },
      "release_date": "2023-07-24T22:00:00.000+00:00",
      "title": "CVE-2023-3863"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.