WID-SEC-W-2022-2062

Vulnerability from csaf_certbund - Published: 2021-12-23 23:00 - Updated: 2025-07-20 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 Informationen offenzulegen und Sicherheitsmaßnahmen zu umgehen.
Betroffene Betriebssysteme
- Linux - UNIX
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 Informationen offenzulegen und Sicherheitsma\u00dfnahmen zu umgehen.",
        "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-2022-2062 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-2062.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-2062 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2062"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Security Advisory vom 2021-12-23",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035338"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Security Advisory vom 2021-12-23",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035345"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5050 vom 2022-01-21",
        "url": "https://www.debian.org/security/2022/dsa-5050"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASKERNEL-5.10-2022-009 vom 2022-01-31",
        "url": "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.10-2022-009.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5278-1 vom 2022-02-09",
        "url": "https://ubuntu.com/security/notices/USN-5278-1"
      },
      {
        "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-2022:0366-1 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-2022:0363-1 vom 2022-02-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010212.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": "SUSE Security Update SUSE-SU-2022:0543-1 vom 2022-02-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010282.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0544-1 vom 2022-02-21",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010284.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0555-1 vom 2022-02-23",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010290.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0767-1 vom 2022-03-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010399.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0765-1 vom 2022-03-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010400.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:14905-1 vom 2022-03-09",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010396.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5096 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00063.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2941 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2940 vom 2022-03-09",
        "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5339-1 vom 2022-03-22",
        "url": "https://ubuntu.com/security/notices/USN-5339-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5337-1 vom 2022-03-22",
        "url": "https://ubuntu.com/security/notices/USN-5337-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5338-1 vom 2022-03-22",
        "url": "https://ubuntu.com/security/notices/USN-5338-1"
      },
      {
        "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": "Ubuntu Security Notice USN-5368-1 vom 2022-04-06",
        "url": "https://ubuntu.com/security/notices/USN-5368-1"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5377-1 vom 2022-04-13",
        "url": "https://ubuntu.com/security/notices/USN-5377-1"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9348 vom 2022-05-03",
        "url": "https://linux.oracle.com/errata/ELSA-2022-9348.html"
      },
      {
        "category": "external",
        "summary": "ORACLE OVMSA-2022-0014 vom 2022-05-04",
        "url": "https://oss.oracle.com/pipermail/oraclevm-errata/2022-May/001052.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9368 vom 2022-05-10",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9368.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9365 vom 2022-05-10",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9365.html"
      },
      {
        "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": "Oracle Linux Security Advisory ELSA-2025-20480 vom 2025-07-18",
        "url": "https://linux.oracle.com/errata/ELSA-2025-20480.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Linux Kernel: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-07-20T22:00:00.000+00:00",
      "generator": {
        "date": "2025-07-21T08:22:01.939+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2022-2062",
      "initial_release_date": "2021-12-23T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-12-23T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-01-23T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-01-30T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-02-08T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-02-10T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-13T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-17T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-21T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-23T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-08T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-09T23:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-03-21T23:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-22T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-04-06T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-04-12T22:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-03T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-05-04T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von ORACLE aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "18",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-11-16T23:00:00.000+00:00",
          "number": "19",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2025-07-20T22:00:00.000+00:00",
          "number": "20",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "20"
    }
  },
  "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=5.15.8",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.15.8",
                  "product_id": "T021429"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c=5.15.8",
                "product": {
                  "name": "Open Source Linux Kernel \u003c=5.15.8",
                  "product_id": "T021429-fixed"
                }
              }
            ],
            "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": "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-2021-45095",
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T000126",
          "398363",
          "T004914"
        ],
        "last_affected": [
          "T021429"
        ]
      },
      "release_date": "2021-12-23T23:00:00.000+00:00",
      "title": "CVE-2021-45095"
    },
    {
      "cve": "CVE-2021-45100",
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T000126",
          "398363",
          "T004914"
        ],
        "last_affected": [
          "T021429"
        ]
      },
      "release_date": "2021-12-23T23:00:00.000+00:00",
      "title": "CVE-2021-45100"
    }
  ]
}


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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.