FKIE_CVE-2007-5498

Vulnerability from fkie_nvd - Published: 2008-05-08 00:20 - Updated: 2026-06-16 22:46
Severity
Summary
The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service (host OS crash) via a request that specifies a large number of blocks.
References
secalert@redhat.comhttp://secunia.com/advisories/30116
secalert@redhat.comhttp://secunia.com/advisories/32918
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2008-0233.html
secalert@redhat.comhttp://www.securityfocus.com/bid/29082
secalert@redhat.comhttp://www.ubuntu.com/usn/usn-679-1
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=369531Patch
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/42274
secalert@redhat.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/30116
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/32918
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2008-0233.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/29082
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/usn-679-1
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=369531Patch
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/42274
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452
Impacted products
Vendor Product Version
linux linux_kernel 2.6.18
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*",
              "matchCriteriaId": "C06F0037-DE20-4B4A-977F-BFCFAB026517",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Xen hypervisor block backend driver for Linux kernel 2.6.18, when running on a 64-bit host with a 32-bit paravirtualized guest, allows local privileged users in the guest OS to cause a denial of service (host OS crash) via a request that specifies a large number of blocks."
    },
    {
      "lang": "es",
      "value": "El driver Xen hypervisor block backend (situado entre el hardware y el sistema operativo) para el Kernel de Linux 2.6.18, cuando corre en un host de 64 bit con un cliente paravirtualizado de 32 bit, permite a usuarios locales con privilegios provocar una denegaci\u00f3n de Servicio (ca\u00edda del SO del host) en el SO cliente mediante una petici\u00f3n que especifica un n\u00famero largo de bloques."
    }
  ],
  "id": "CVE-2007-5498",
  "lastModified": "2026-06-16T22:46:16.540",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2008-05-08T00:20:00.000",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/30116"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/32918"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0233.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/29082"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.ubuntu.com/usn/usn-679-1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=369531"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42274"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/30116"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/32918"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0233.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/29082"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.ubuntu.com/usn/usn-679-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=369531"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42274"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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