WID-SEC-W-2023-1612
Vulnerability from csaf_certbund
Published
2023-06-29 22:00
Modified
2024-03-13 23:00
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
- UNIX - Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "- 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-2023-1612 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1612.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1612 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1612"
      },
      {
        "category": "external",
        "summary": "Github Advisory Database vom 2023-06-29",
        "url": "https://github.com/google/security-research/security/advisories/GHSA-j87x-j6mh-mv8v"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6300-1 vom 2023-08-17",
        "url": "https://ubuntu.com/security/notices/USN-6300-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6311-1 vom 2023-08-29",
        "url": "https://ubuntu.com/security/notices/USN-6311-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6332-1 vom 2023-09-01",
        "url": "https://ubuntu.com/security/notices/USN-6332-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6340-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6340-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6349-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6349-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6347-1 vom 2023-09-06",
        "url": "https://ubuntu.com/security/notices/USN-6347-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6340-2 vom 2023-09-09",
        "url": "https://ubuntu.com/security/notices/USN-6340-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6357-1 vom 2023-09-11",
        "url": "https://ubuntu.com/security/notices/USN-6357-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6385-1 vom 2023-09-19",
        "url": "https://ubuntu.com/security/notices/USN-6385-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6397-1 vom 2023-09-26",
        "url": "https://www.cybersecurity-help.cz/vdb/SB2023092652"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4358-1 vom 2023-11-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/016992.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4377-1 vom 2023-11-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017001.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4375-1 vom 2023-11-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017006.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4414-1 vom 2023-11-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-November/017017.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7554 vom 2023-11-29",
        "url": "https://access.redhat.com/errata/RHSA-2023:7554"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7549 vom 2023-11-28",
        "url": "https://access.redhat.com/errata/RHSA-2023:7549"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7548 vom 2023-11-28",
        "url": "https://access.redhat.com/errata/RHSA-2023:7548"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-7549 vom 2023-12-02",
        "url": "https://linux.oracle.com/errata/ELSA-2023-7549.html"
      },
      {
        "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-2023:4817-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017334.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4796-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017318.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-2023:4776-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017322.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4802-1 vom 2023-12-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017336.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-2023:4805-1 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-2023:4833-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017358.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4835-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017357.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4836-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017356.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4839-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017355.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-2023:4820-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017352.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4862-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017415.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-2023:4866-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017416.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:4849-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017417.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": "SUSE Security Update SUSE-SU-2023:4871-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017424.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": "SUSE Security Update SUSE-SU-2023:4867-1 vom 2023-12-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017413.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"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0381 vom 2024-01-24",
        "url": "https://access.redhat.com/errata/RHSA-2024:0381"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0376 vom 2024-01-24",
        "url": "https://access.redhat.com/errata/RHSA-2024:0376"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0378 vom 2024-01-24",
        "url": "https://access.redhat.com/errata/RHSA-2024:0378"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0448 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0448"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0402 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0402"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0412 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0412"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0403 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0403"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0439 vom 2024-01-25",
        "url": "https://access.redhat.com/errata/RHSA-2024:0439"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0554 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0554"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0575 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0575"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0563 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0563"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0593 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0593"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:0562 vom 2024-01-30",
        "url": "https://access.redhat.com/errata/RHSA-2024:0562"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1250 vom 2024-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:1250"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1253 vom 2024-03-12",
        "url": "https://access.redhat.com/errata/RHSA-2024:1253"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:1306 vom 2024-03-13",
        "url": "https://access.redhat.com/errata/RHSA-2024:1306"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2024-03-13T23:00:00.000+00:00",
      "generator": {
        "date": "2024-03-14T09:37:07.147+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1612",
      "initial_release_date": "2023-06-29T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-06-29T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-08-17T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-28T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-08-31T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-05T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-06T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-10T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-11T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-19T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-09-26T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-05T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-06T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-12T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-11-28T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-12-03T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-12-13T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-12-14T23:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-01-18T23:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-23T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-25T23:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-29T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-01-30T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-03-11T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-03-13T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "24"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e= 5.4",
                "product": {
                  "name": "Open Source Linux Kernel \u003e= 5.4",
                  "product_id": "T022131",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.4-rc"
                  }
                }
              }
            ],
            "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": "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-2023-2163",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Der Fehler besteht in der eBPF Verifier Branch Pruning Logik aufgrund einer unsachgem\u00e4\u00dfen Markierung von unsicheren Codepfaden als sicher. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern und beliebige Lese-/Schreibrechte im Kernelspeicher zu erhalten."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T000126",
          "T004914"
        ]
      },
      "release_date": "2023-06-29T22:00:00Z",
      "title": "CVE-2023-2163"
    }
  ]
}


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