FKIE_CVE-2024-2496

Vulnerability from fkie_nvd - Published: 2024-03-18 13:15 - Updated: 2026-06-17 07:24
Severity
5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2236Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2024-2496Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2269672Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2236Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2024-2496Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2269672Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/04/msg00000.htmlMailing List
Impacted products
Vendor Product Version
redhat libvirt *
redhat enterprise_linux 6.0
redhat enterprise_linux 7.0
redhat enterprise_linux 8.0
redhat enterprise_linux 8.0
redhat enterprise_linux 9.0
debian debian_linux 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "defaultStatus": "unaffected",
          "packageName": "libvirt",
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            }
          ]
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          ],
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          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
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              "status": "unaffected",
              "version": "0:10.0.0-6.el9_4",
              "versionType": "rpm"
            }
          ]
        },
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          "cpes": [
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          "packageName": "libvirt",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
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          "cpes": [
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          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "virt:rhel/libvirt",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        },
        {
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "virt:av/libvirt",
          "product": "Red Hat Enterprise Linux 8 Advanced Virtualization",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla de desreferencia de puntero NULL en la funci\u00f3n udevConnectListAllInterfaces() en libvirt. Este problema puede ocurrir al desconectar una interfaz de host y al mismo tiempo recopilar la lista de interfaces a trav\u00e9s de la API virConnectListAllInterfaces. Esta falla podr\u00eda usarse para realizar un ataque de denegaci\u00f3n de servicio provocando la falla del daemon libvirt."
    }
  ],
  "id": "CVE-2024-2496",
  "lastModified": "2026-06-17T07:24:39.343",
  "metrics": {
    "cvssMetricV31": [
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          "availabilityImpact": "HIGH",
          "baseScore": 5.0,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
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          "role": "CISA Coordinator",
          "timestamp": "2024-04-25T19:25:01.630462Z",
          "version": "2.0.3"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "CWE-476"
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      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}



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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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