wid-sec-w-2022-1122
Vulnerability from csaf_certbund
Published
2021-11-07 23:00
Modified
2024-09-02 22:00
Summary
QEMU: Schwachstelle ermöglicht Denial of Service

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
QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.
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": "QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "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-2022-1122 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1122.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1122 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1122"
      },
      {
        "category": "external",
        "summary": "RedHat Security Advisory CVE-2021-3930 vom 2021-11-07",
        "url": "https://access.redhat.com/security/cve/CVE-2021-3930"
      },
      {
        "category": "external",
        "summary": "RedHat Bugzilla Bug 2020588 vom 2021-11-07",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2020588"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:5065 vom 2021-12-09",
        "url": "https://access.redhat.com/errata/RHSA-2021:5065"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:5238 vom 2021-12-21",
        "url": "https://access.redhat.com/errata/RHSA-2021:5238"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-5238 vom 2021-12-23",
        "url": "http://linux.oracle.com/errata/ELSA-2021-5238.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2021-9638 vom 2022-01-04",
        "url": "http://linux.oracle.com/errata/ELSA-2021-9638.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0081 vom 2022-01-11",
        "url": "https://access.redhat.com/errata/RHSA-2022:0081"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9172 vom 2022-02-25",
        "url": "https://linux.oracle.com/errata/ELSA-2022-9172.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5307-1 vom 2022-02-28",
        "url": "https://ubuntu.com/security/notices/USN-5307-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0930-1 vom 2022-03-22",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010498.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2970 vom 2022-04-04",
        "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:1151-1 vom 2022-04-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-April/010676.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0930-2 vom 2022-04-20",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-April/010778.html"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202208-27 vom 2022-08-23",
        "url": "https://security.gentoo.org/glsa/202208-27"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3099 vom 2022-09-05",
        "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5772-1 vom 2022-12-12",
        "url": "https://ubuntu.com/security/notices/USN-5772-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2023-2061 vom 2023-06-05",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2061.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12604 vom 2024-09-02",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12604.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12605 vom 2024-09-02",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12605.html"
      }
    ],
    "source_lang": "en-US",
    "title": "QEMU: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-09-02T22:00:00.000+00:00",
      "generator": {
        "date": "2024-09-03T08:15:33.656+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.6"
        }
      },
      "id": "WID-SEC-W-2022-1122",
      "initial_release_date": "2021-11-07T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-11-07T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-12-09T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-12-21T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2021-12-22T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-01-04T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-01-11T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-02-24T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-02-28T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-22T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-04-04T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-04-11T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-04-20T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-08-22T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2022-09-04T22:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-12-11T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-06-05T22:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2024-09-02T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "17"
    }
  },
  "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": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source QEMU",
            "product": {
              "name": "Open Source QEMU",
              "product_id": "T007150",
              "product_identification_helper": {
                "cpe": "cpe:/a:qemu:qemu:-"
              }
            }
          }
        ],
        "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-2021-3930",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in QEMU. Die Schwachstelle besteht in der SCSI-Ger\u00e4te Emulation und ist auf einen off-by-one-error zur\u00fcckzuf\u00fchren. Ein lokaler Angreifer der als Gast angemeldet ist, kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T007150",
          "T012167",
          "T004914"
        ]
      },
      "release_date": "2021-11-07T23:00:00.000+00:00",
      "title": "CVE-2021-3930"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.