Vulnerability-Lookup

CVE-2023-3750 (GCVE-0-2023-3750)

Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-11-08 06:30

Title

Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service

Summary

A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-667 - Improper Locking

Assigner

redhat

References

3 references

URL	Tags
https://access.redhat.com/errata/RHSA-2023:6409	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-3750	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2222210	issue-trackingx_refsource_REDHAT

Impacted products

5 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:9.5.0-7.el9_3 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8 Advanced Virtualization	cpe:/a:redhat:advanced_virtualization:8::el8

Date Public

2023-07-18 00:00

Show details on NVD website

JSON

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WID-SEC-W-2023-1872

Vulnerability from csaf_certbund - Published: 2023-07-24 22:00 - Updated: 2024-12-10 23:00

Summary

libvirt: Schwachstelle ermöglicht Denial of Service

Severity

Mittel

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: Libvirt ist eine Bibliothek, die Schnittstellen zu den Virtualisierungsfunktionen von Linux anbietet und Werkzeuge zur Verwaltung von virtualisierten Systemen zur Verfügung stellt.

Angriff: Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuführen.

Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX

CVE-2023-3750

Es existiert eine Schwachstelle in libvirt. Der Fehler besteht aufgrund einer Race Condition, da die Funktion virStoragePoolObjListSearch nicht wie erwartet einen gesperrten Pool zurückgibt. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand im libvirt-Daemon zu verursachen.

Affected products

Known affected 7 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
Gentoo Linux Gentoo	`cpe:/o:gentoo:linux:-`	—
Oracle Linux Oracle	`cpe:/o:oracle:linux:-`	—
Fedora Linux Fedora	`cpe:/o:fedoraproject:fedora:-`	—
Open Source libvirt Open Source	`cpe:/a:redhat:libvirt:-`	—

References

12 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://github.com/advisories/GHSA-35p2-9fg3-f2p2	external
https://ubuntu.com/security/notices/USN-6253-1	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://linux.oracle.com/errata/ELSA-2023-12855.html	external
https://access.redhat.com/errata/RHSA-2023:6409	external
https://linux.oracle.com/errata/ELSA-2023-6409.html	external
https://bodhi.fedoraproject.org/updates/FEDORA-20…	external
https://linux.oracle.com/errata/ELSA-2024-2236.html	external
https://linux.oracle.com/errata/ELSA-2024-12604.html	external
https://security.gentoo.org/glsa/202412-16	external

JSON

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": "Libvirt ist eine Bibliothek, die Schnittstellen zu den Virtualisierungsfunktionen von Linux anbietet und Werkzeuge zur Verwaltung von virtualisierten Systemen zur Verf\u00fcgung stellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\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-2023-1872 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1872.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1872 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1872"
      },
      {
        "category": "external",
        "summary": "Github Advisory Database vom 2023-07-24",
        "url": "https://github.com/advisories/GHSA-35p2-9fg3-f2p2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6253-1 vom 2023-07-26",
        "url": "https://ubuntu.com/security/notices/USN-6253-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:3043-1 vom 2023-07-31",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-July/015706.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-12855 vom 2023-10-07",
        "url": "https://linux.oracle.com/errata/ELSA-2023-12855.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6409 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6409"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2023-6409 vom 2023-11-16",
        "url": "https://linux.oracle.com/errata/ELSA-2023-6409.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2024-2D35E47AF3 vom 2024-01-25",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-2d35e47af3"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-2236 vom 2024-05-06",
        "url": "https://linux.oracle.com/errata/ELSA-2024-2236.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": "Gentoo Linux Security Advisory GLSA-202412-16 vom 2024-12-11",
        "url": "https://security.gentoo.org/glsa/202412-16"
      }
    ],
    "source_lang": "en-US",
    "title": "libvirt: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-12-10T23:00:00.000+00:00",
      "generator": {
        "date": "2024-12-11T11:12:13.731+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2023-1872",
      "initial_release_date": "2023-07-24T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-07-24T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-07-26T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-31T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-10-08T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-15T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-01-24T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2024-05-06T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-09-02T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-12-10T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Gentoo aufgenommen"
        }
      ],
      "status": "final",
      "version": "10"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "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 libvirt",
            "product": {
              "name": "Open Source libvirt",
              "product_id": "T000084",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:libvirt:-"
              }
            }
          }
        ],
        "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-2023-3750",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in libvirt. Der Fehler besteht aufgrund einer Race Condition, da die Funktion virStoragePoolObjListSearch nicht wie erwartet einen gesperrten Pool zur\u00fcckgibt. Ein entfernter, authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand im libvirt-Daemon zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "67646",
          "T000126",
          "T012167",
          "T004914",
          "74185",
          "T000084"
        ]
      },
      "release_date": "2023-07-24T22:00:00.000+00:00",
      "title": "CVE-2023-3750"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

Action not permitted

CVE-2023-3750 (GCVE-0-2023-3750)

WID-SEC-W-2023-1872

Tags

Sightings

Nomenclature