WID-SEC-W-2023-1341

Vulnerability from csaf_certbund - Published: 2023-05-31 22:00 - Updated: 2024-04-09 22:00
Summary
Linux Kernel: Schwachstelle ermöglicht nicht spezifizierten Angriff

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 in Linux Kernel ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
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 in Linux Kernel ausnutzen, um einen nicht n\u00e4her spezifizierten 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-2023-1341 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1341.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1341 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1341"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2023-05-31",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-34256"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.4-2023-047 vom 2023-06-29",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-047.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2023-021 vom 2023-06-29",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-021.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2KERNEL-5.10-2023-034 vom 2023-06-29",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2023-034.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2023-2100 vom 2023-07-01",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2100.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2023-1773 vom 2023-07-04",
        "url": "https://alas.aws.amazon.com/ALAS-2023-1773.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12565 vom 2023-07-04",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12565.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12566 vom 2023-07-04",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12566.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3508 vom 2023-07-27",
        "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2023-0017 vom 2023-08-17",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2023-August/001076.html"
      },
      {
        "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-6701-1 vom 2024-03-19",
        "url": "https://ubuntu.com/security/notices/USN-6701-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6700-1 vom 2024-03-19",
        "url": "https://ubuntu.com/security/notices/USN-6700-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6701-2 vom 2024-03-20",
        "url": "https://ubuntu.com/security/notices/USN-6701-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6700-2 vom 2024-03-21",
        "url": "https://ubuntu.com/security/notices/USN-6700-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6701-3 vom 2024-03-26",
        "url": "https://ubuntu.com/security/notices/USN-6701-3"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6701-4 vom 2024-04-09",
        "url": "https://ubuntu.com/security/notices/USN-6701-4"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht nicht spezifizierten Angriff",
    "tracking": {
      "current_release_date": "2024-04-09T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:51:40.518+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1341",
      "initial_release_date": "2023-05-31T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-05-31T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-07-02T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-07-03T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-07-04T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-07-27T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-08-17T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2023-10-19T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-03-18T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-20T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-21T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-03-25T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-04-09T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "13"
    }
  },
  "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_version_range",
                "name": "\u003c 6.3.3",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 6.3.3",
                  "product_id": "T027929"
                }
              }
            ],
            "category": "product_name",
            "name": "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": "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-2023-34256",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. In \"ext4_group_desc_csum\" wird ein Offset nicht richtig \u00fcberpr\u00fcft, weshalb es zu einem Out-of-Bounds-Read Fehler in \"crc16\" in \"lib/crc16.c\" kommt, wenn es von \"fs/ext4/super.c\" aufgerufen wird. Ein Angreifer kann diese Schwachstelle ausnutzen, um nicht n\u00e4her spezifizierte Auswirkungen zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2023-05-31T22:00:00.000+00:00",
      "title": "CVE-2023-34256"
    }
  ]
}


Log in or create an account to share your comment.




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.