wid-sec-w-2022-0232
Vulnerability from csaf_certbund
Published
2021-12-26 23:00
Modified
2023-08-13 22:00
Summary
Linux Kernel: Mehrere Schwachstellen ermöglichen 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 mehrere Schwachstellen im Linux Kernel ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme
- UNIX - Linux



{
  "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 mehrere Schwachstellen im Linux Kernel ausnutzen, um Informationen offenzulegen.",
        "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-2022-0232 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0232.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0232 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0232"
      },
      {
        "category": "external",
        "summary": "HPE Securi+y Bulletin",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-hpesbst04494en_us"
      },
      {
        "category": "external",
        "summary": "NVD NIST vom 2021-12-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45485"
      },
      {
        "category": "external",
        "summary": "NVD NIST vom 2021-12-26",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-45486"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0056-1 vom 2022-01-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009994.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0068-1 vom 2022-01-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010003.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0080-1 vom 2022-01-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010005.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0079-1 vom 2022-01-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010004.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0090-1 vom 2022-01-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010008.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0131-1 vom 2022-01-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010029.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0169-1 vom 2022-01-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010060.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0198-1 vom 2022-01-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010079.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0197-1 vom 2022-01-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010080.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0289-1 vom 2022-02-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010169.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-1988 vom 2022-05-17",
        "url": "https://linux.oracle.com/errata/ELSA-2022-1988.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0366-1 vom 2022-02-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010214.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0362-1 vom 2022-02-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010210.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0367-1 vom 2022-02-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010213.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0371-1 vom 2022-02-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010217.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0477-1 vom 2022-02-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010246.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5299-1 vom 2022-02-22",
        "url": "https://ubuntu.com/security/notices/USN-5299-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5343-1 vom 2022-03-22",
        "url": "https://ubuntu.com/security/notices/USN-5343-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:4956 vom 2022-06-09",
        "url": "https://access.redhat.com/errata/RHSA-2022:4956"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5361-1 vom 2022-04-01",
        "url": "https://ubuntu.com/security/notices/USN-5361-1"
      },
      {
        "category": "external",
        "summary": "Exploit auf Sploitus.com vom 2022-04-28",
        "url": "https://sploitus.com/exploit?id=4A3B5C53-2CB2-5006-B0EC-6228432CF4CF"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1988 vom 2022-05-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:1988"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1975 vom 2022-05-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:1975"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:5483 vom 2022-07-01",
        "url": "https://access.redhat.com/errata/RHSA-2022:5483"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9852 vom 2022-10-04",
        "url": "https://linux.oracle.com/errata/ELSA-2022-9852.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2022-0026 vom 2022-10-11",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2022-October/001062.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:6983 vom 2022-10-18",
        "url": "https://access.redhat.com/errata/RHSA-2022:6983"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:6991 vom 2022-10-18",
        "url": "https://access.redhat.com/errata/RHSA-2022:6991"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:7216 vom 2022-11-03",
        "url": "https://access.redhat.com/errata/RHSA-2022:7216"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6840317 vom 2022-11-19",
        "url": "https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-kernel-cve-2021-45485-affects-power-hmc/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:8973 vom 2022-12-13",
        "url": "https://access.redhat.com/errata/RHSA-2022:8973"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6848577 vom 2022-12-22",
        "url": "https://www.ibm.com/support/pages/node/6848577"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6851373 vom 2022-12-23",
        "url": "https://www.ibm.com/support/pages/node/6851373"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 6858043 vom 2023-02-22",
        "url": "https://www.ibm.com/support/pages/node/6858043"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen erm\u00f6glichen Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2023-08-13T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:47:26.335+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0232",
      "initial_release_date": "2021-12-26T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-12-26T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-01-11T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-17T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-19T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-25T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-02T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-10T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-13T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-17T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-21T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-22T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-31T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-04-28T22:00:00.000+00:00",
          "number": "13",
          "summary": "Exploit aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-17T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-06-08T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-07-03T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-10-04T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-10-11T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2022-10-18T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-03T23:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-20T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2022-12-13T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-12-21T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2022-12-22T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von IBM und IBM-APAR aufgenommen"
        },
        {
          "date": "2023-02-21T23:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von IBM aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "27",
          "summary": "Neue Updates von HP aufgenommen"
        }
      ],
      "status": "final",
      "version": "27"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Broadcom Brocade Switch",
            "product": {
              "name": "Broadcom Brocade Switch",
              "product_id": "T015844",
              "product_identification_helper": {
                "cpe": "cpe:/h:brocade:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Broadcom"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "HPE Switch",
            "product": {
              "name": "HPE Switch",
              "product_id": "T005119",
              "product_identification_helper": {
                "cpe": "cpe:/h:hp:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "IBM DataPower Gateway 10.5.0",
            "product": {
              "name": "IBM DataPower Gateway 10.5.0",
              "product_id": "T025693",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:datapower_gateway:10.5.0"
              }
            }
          },
          {
            "category": "product_name",
            "name": "IBM FlashSystem",
            "product": {
              "name": "IBM FlashSystem",
              "product_id": "T025159",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:flashsystem:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "IBM MQ Appliance",
            "product": {
              "name": "IBM MQ Appliance",
              "product_id": "T025711",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:mq:appliance"
              }
            }
          },
          {
            "category": "product_name",
            "name": "IBM Power Hardware Management Console",
            "product": {
              "name": "IBM Power Hardware Management Console",
              "product_id": "5114",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:hardware_management_console:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "IBM SAN Volume Controller",
            "product": {
              "name": "IBM SAN Volume Controller",
              "product_id": "T002782",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:san_volume_controller:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "IBM Storwize",
            "product": {
              "name": "IBM Storwize",
              "product_id": "T021621",
              "product_identification_helper": {
                "cpe": "cpe:/a:ibm:storwize:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Linux Kernel \u003c 5.13.3",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 5.13.3",
                  "product_id": "1017151",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.13.3"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Linux Kernel \u003c 5.12.4",
                "product": {
                  "name": "Open Source Linux Kernel \u003c 5.12.4",
                  "product_id": "971474",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.12.4"
                  }
                }
              }
            ],
            "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": "product_name",
            "name": "Red Hat OpenShift",
            "product": {
              "name": "Red Hat OpenShift",
              "product_id": "T008027",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:openshift:-"
              }
            }
          }
        ],
        "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-2021-45485",
      "notes": [
        {
          "category": "description",
          "text": "Im Linux Kernel existieren mehrere Schwachstellen. Die Fehler bestehen, weil die Hash-Tabelle sehr klein ist und weil bei der Verwendung einer Hash-Tabelle nicht ber\u00fccksichtigt wird, dass IPv6-basierte Angreifer in der Regel unter vielen IPv6-Quelladressen w\u00e4hlen k\u00f6nnen. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um vertrauliche Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002782",
          "T008027",
          "67646",
          "5114",
          "T015844",
          "T005119",
          "T004914",
          "T021621",
          "T002207",
          "T025711",
          "T000126",
          "T025159",
          "T025693"
        ]
      },
      "release_date": "2021-12-26T23:00:00Z",
      "title": "CVE-2021-45485"
    },
    {
      "cve": "CVE-2021-45486",
      "notes": [
        {
          "category": "description",
          "text": "Im Linux Kernel existieren mehrere Schwachstellen. Die Fehler bestehen, weil die Hash-Tabelle sehr klein ist und weil bei der Verwendung einer Hash-Tabelle nicht ber\u00fccksichtigt wird, dass IPv6-basierte Angreifer in der Regel unter vielen IPv6-Quelladressen w\u00e4hlen k\u00f6nnen. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um vertrauliche Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002782",
          "T008027",
          "67646",
          "5114",
          "T015844",
          "T005119",
          "T004914",
          "T021621",
          "T002207",
          "T025711",
          "T000126",
          "T025159",
          "T025693"
        ]
      },
      "release_date": "2021-12-26T23:00:00Z",
      "title": "CVE-2021-45486"
    }
  ]
}


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