wid-sec-w-2022-2071
Vulnerability from csaf_certbund
Published
2021-04-18 22:00
Modified
2024-08-19 22:00
Summary
Linux Kernel: Mehrere Schwachstellen

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 seine Privilegien zu erhöhen, Sicherheitsvorkehrungen zu umgehen oder 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 mehrere Schwachstellen im Linux Kernel ausnutzen, um seine Privilegien zu erh\u00f6hen, Sicherheitsvorkehrungen zu umgehen oder 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-2022-2071 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-2071.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2071 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2071"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4977-1 vom 2021-06-02",
        "url": "https://ubuntu.com/security/notices/USN-4977-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4983-1 vom 2021-06-03",
        "url": "https://ubuntu.com/security/notices/USN-4983-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1573-1 vom 2021-05-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008764.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1595-1 vom 2021-05-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008769.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1572-1 vom 2021-05-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008763.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1574-1 vom 2021-05-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008767.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1571-1 vom 2021-05-12",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008760.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1596-1 vom 2021-05-13",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008770.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1605-1 vom 2021-05-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008775.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1915-1 vom 2021-06-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008971.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1912-1 vom 2021-06-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008974.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1913-1 vom 2021-06-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008973.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1622-1 vom 2021-05-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008778.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1624-1 vom 2021-05-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-May/008781.html"
      },
      {
        "category": "external",
        "summary": "Eintrag in der OSS Mailing-list vom 2021-04-18",
        "url": "http://seclists.org/oss-sec/2021/q2/32"
      },
      {
        "category": "external",
        "summary": "Eintrag in der OSS Mailing-list vom 2021-04-18",
        "url": "https://seclists.org/oss-sec/2021/q2/34"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1503 vom 2021-05-24",
        "url": "https://alas.aws.amazon.com/ALAS-2021-1503.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1887-1 vom 2021-06-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008955.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1891-1 vom 2021-06-08",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008946.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1899-1 vom 2021-06-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/008965.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9306 vom 2021-06-15",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9306.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9307 vom 2021-06-15",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9307.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1977-1 vom 2021-06-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009018.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:1975-1 vom 2021-06-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-June/009015.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2690 vom 2021-06-23",
        "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4999-1 vom 2021-06-23",
        "url": "https://ubuntu.com/security/notices/USN-4999-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5003-1 vom 2021-06-23",
        "url": "https://ubuntu.com/security/notices/USN-5003-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5000-1 vom 2021-06-23",
        "url": "https://ubuntu.com/security/notices/USN-5000-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4997-1 vom 2021-06-23",
        "url": "https://ubuntu.com/security/notices/USN-4997-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5001-1 vom 2021-06-23",
        "url": "https://ubuntu.com/security/notices/USN-5001-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2689 vom 2021-06-23",
        "url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5000-2 vom 2021-06-25",
        "url": "https://ubuntu.com/security/notices/USN-5000-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-4997-2 vom 2021-06-25",
        "url": "https://ubuntu.com/security/notices/USN-4997-2"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9351 vom 2021-07-13",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9351.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9349 vom 2021-07-13",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9349.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2332-1 vom 2021-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009134.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2344-1 vom 2021-07-14",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009142.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2361-1 vom 2021-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009148.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2366-1 vom 2021-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009144.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2367-1 vom 2021-07-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009150.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9363 vom 2021-07-16",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9363.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9362 vom 2021-07-16",
        "url": "https://linux.oracle.com/errata/ELSA-2021-9362.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2384-1 vom 2021-07-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009154.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2387-1 vom 2021-07-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009153.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2377-1 vom 2021-07-16",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009152.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2421-1 vom 2021-07-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009183.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2453-1 vom 2021-07-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009202.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2460-1 vom 2021-07-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009209.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:2577-1 vom 2021-07-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-July/009234.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4356 vom 2021-11-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:4356"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4140 vom 2021-11-10",
        "url": "https://access.redhat.com/errata/RHSA-2021:4140"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.4-2022-003 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-003.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2022-001 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-001.html"
      },
      {
        "category": "external",
        "summary": "F5 Security Advisory K67416037 vom 2022-02-02",
        "url": "https://support.f5.com/csp/article/K67416037"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9999 vom 2022-11-16",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9999.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1489-1 vom 2024-08-19",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/D5LYDXV5ACGHUYO5XWLWD5VAOA5HLJ7U/"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2024-08-19T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-20T13:11:05.961+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-2071",
      "initial_release_date": "2021-04-18T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-04-18T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-05-13T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-05-16T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-05-17T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-05-18T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-05-24T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2021-06-03T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-06-08T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-06-09T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-06-14T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-06-15T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-06-22T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Debian und Ubuntu aufgenommen"
        },
        {
          "date": "2021-06-27T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2021-07-12T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2021-07-14T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-07-15T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-07-18T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-07-21T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-07-22T22:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-07-25T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-08-01T22:00:00.000+00:00",
          "number": "21",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-11-09T23:00:00.000+00:00",
          "number": "22",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-01-30T23:00:00.000+00:00",
          "number": "23",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-02-02T23:00:00.000+00:00",
          "number": "24",
          "summary": "Neue Updates von F5 aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "25",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-08-19T22:00:00.000+00:00",
          "number": "26",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "26"
    }
  },
  "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": [
          {
            "category": "product_name",
            "name": "F5 BIG-IP",
            "product": {
              "name": "F5 BIG-IP",
              "product_id": "T001663",
              "product_identification_helper": {
                "cpe": "cpe:/a:f5:big-ip:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "F5"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "5.11",
                "product": {
                  "name": "Open Source Linux Kernel 5.11",
                  "product_id": "866669",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:linux:linux_kernel:5.11"
                  }
                }
              }
            ],
            "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-2021-23133",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel, welche auf eine Race-Condition in \"net/sctp/socket.c\" zur\u00fcckzuf\u00fchren ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um seine Privilegien zu erh\u00f6hen."
        }
      ],
      "product_status": {
        "known_affected": [
          "866669",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T001663",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2021-04-18T22:00:00.000+00:00",
      "title": "CVE-2021-23133"
    },
    {
      "cve": "CVE-2021-29155",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle im Linux Kernel. Die Schwachstelle erm\u00f6glicht es Sicherheitsvorkehrungen gegen Spectre-Angriffe zu umgehen. Nicht-privilegierte BFP-Programme k\u00f6nnen diesen Schutz umgehen und einen spekulativen Out-of-Bound-Load-Zugriff auf den Kernelspeicher durchf\u00fchren. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "866669",
          "2951",
          "T002207",
          "67646",
          "T000126",
          "T001663",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2021-04-18T22:00:00.000+00:00",
      "title": "CVE-2021-29155"
    }
  ]
}


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