GSD-2010-4255

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.
Aliases
Aliases
CVE-2010-4255
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{
  "GSD": {
    "alias": "CVE-2010-4255",
    "description": "The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.",
    "id": "GSD-2010-4255",
    "references": [
      "https://www.suse.com/security/cve/CVE-2010-4255.html",
      "https://access.redhat.com/errata/RHSA-2011:0017",
      "https://linux.oracle.com/cve/CVE-2010-4255.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2010-4255"
      ],
      "details": "The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.",
      "id": "GSD-2010-4255",
      "modified": "2023-12-13T01:21:29.667091Z",
      "schema_version": "1.4.0"
    }
  },
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              "name": "[oss-security] 20101130 Re: CVE request: xen: x86-64: don\u0027t crash Xen upon direct pv guest access",
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            },
            {
              "name": "20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/520102/100/0/threaded"
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      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 6.5,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-10T20:07Z",
      "publishedDate": "2011-01-25T01:00Z"
    }
  }
}



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