wid-sec-w-2023-0734
Vulnerability from csaf_certbund
Published
2023-03-22 23:00
Modified
2024-06-05 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 - UNIX


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": "- Linux\n- UNIX",
        "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-2023-0734 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0734.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0734 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0734"
      },
      {
        "category": "external",
        "summary": "National Vulnerability Database - CVE-2023-0386 vom 2023-03-22",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0386"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1554 vom 2023-04-04",
        "url": "https://access.redhat.com/errata/RHSA-2023:1554"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1584 vom 2023-04-04",
        "url": "https://access.redhat.com/errata/RHSA-2023:1584"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1566 vom 2023-04-04",
        "url": "https://access.redhat.com/errata/RHSA-2023:1566"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1660 vom 2023-04-05",
        "url": "https://access.redhat.com/errata/RHSA-2023:1660"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1659 vom 2023-04-05",
        "url": "https://access.redhat.com/errata/RHSA-2023:1659"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1681 vom 2023-04-10",
        "url": "https://access.redhat.com/errata/RHSA-2023:1681"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-1566 vom 2023-04-06",
        "url": "http://linux.oracle.com/errata/ELSA-2023-1566.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1691 vom 2023-04-11",
        "url": "https://access.redhat.com/errata/RHSA-2023:1691"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1703 vom 2023-04-11",
        "url": "https://access.redhat.com/errata/RHSA-2023:1703"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-1703 vom 2023-04-13",
        "url": "https://oss.oracle.com/pipermail/el-errata/2023-April/013908.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:1677 vom 2023-04-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:1677"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0094-1 vom 2023-04-19",
        "url": "https://ubuntu.com/security/notices/USN-6025-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6043-1 vom 2023-04-26",
        "url": "https://ubuntu.com/security/notices/USN-6043-1"
      },
      {
        "category": "external",
        "summary": "PoC auf Securityonline vom 2023-04-26",
        "url": "https://securityonline.info/poc-exploit-released-for-linux-kernel-privilege-escalation-cve-2023-0386-bug/"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6057-1 vom 2023-05-05",
        "url": "https://ubuntu.com/security/notices/USN-6057-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2141-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014821.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2140-1 vom 2023-05-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014813.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6072-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6072-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6071-1 vom 2023-05-10",
        "url": "https://ubuntu.com/security/notices/USN-6071-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5402 vom 2023-05-14",
        "url": "https://www.debian.org/security/2023/dsa-5402"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2231-1 vom 2023-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014914.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6134-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6134-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2368-1 vom 2023-06-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015079.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2369-1 vom 2023-06-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015078.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2371-1 vom 2023-06-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015077.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3446 vom 2023-06-05",
        "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2384-1 vom 2023-06-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015090.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2425-1 vom 2023-06-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015103.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2428-1 vom 2023-06-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015108.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2431-1 vom 2023-06-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015106.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2468-1 vom 2023-06-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015114.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2459-1 vom 2023-06-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015123.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2443-1 vom 2023-06-07",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-June/015109.html"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7005589 vom 2023-06-21",
        "url": "https://www.ibm.com/support/pages/node/7005589"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice LSN-0095-1 vom 2023-06-21",
        "url": "https://ubuntu.com/security/notices/LSN-0095-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:2809-1 vom 2023-07-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015470.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12385 vom 2024-06-05",
        "url": "https://oss.oracle.com/pipermail/el-errata/2024-June/015807.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12385 vom 2024-06-05",
        "url": "https://oss.oracle.com/pipermail/el-errata/2024-June/015806.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Schwachstelle erm\u00f6glicht Privilegieneskalation",
    "tracking": {
      "current_release_date": "2024-06-05T22:00:00.000+00:00",
      "generator": {
        "date": "2024-06-06T08:37:38.796+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0734",
      "initial_release_date": "2023-03-22T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-03-22T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-04-03T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-04T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-05T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-10T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
        },
        {
          "date": "2023-04-11T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-13T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-04-16T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-04-18T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-04-26T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-07T22:00:00.000+00:00",
          "number": "11",
          "summary": "PoC aufgenommen"
        },
        {
          "date": "2023-05-09T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-05-10T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-05-14T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-05-18T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-01T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-04T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-05T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-06-06T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-08T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-06-20T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2023-06-21T22:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-11T22:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-06-05T22:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "24"
    }
  },
  "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",
                "name": "plus 10.1",
                "product": {
                  "name": "IBM Spectrum Protect plus 10.1",
                  "product_id": "T015895",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:spectrum_protect:plus_10.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Protect"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Linux Kernel",
            "product": {
              "name": "Open Source Linux Kernel",
              "product_id": "6368",
              "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:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "4",
                "product": {
                  "name": "Red Hat Virtualization 4",
                  "product_id": "T026451",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:virtualization:4"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Virtualization"
          }
        ],
        "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-2023-0386",
      "notes": [
        {
          "category": "description",
          "text": "Im Linux-Kernel besteht eine Schwachstelle bez\u00fcglich des \"OverlayFS\"-Subsystems in Verbindung mit \"setuid\" und der \"nosuid\"-Mount-Option. Ein unautorisierter Zugriff erfolgt, wenn ein \"capable file\" von einem \"nosuid\" Mount in einen anderen Mount kopiert wird. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erweitern."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "6368",
          "T000126",
          "T015895",
          "T004914",
          "T026451"
        ]
      },
      "release_date": "2023-03-22T23:00:00Z",
      "title": "CVE-2023-0386"
    }
  ]
}


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