gsd-2015-2666
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2015-2666",
    "description": "Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.",
    "id": "GSD-2015-2666",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-2666.html",
      "https://access.redhat.com/errata/RHSA-2015:1565",
      "https://access.redhat.com/errata/RHSA-2015:1534",
      "https://ubuntu.com/security/CVE-2015-2666",
      "https://linux.oracle.com/cve/CVE-2015-2666.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-2666"
      ],
      "details": "Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.",
      "id": "GSD-2015-2666",
      "modified": "2023-12-13T01:20:00.210591Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "ID": "CVE-2015-2666",
        "STATE": "PUBLIC"
      },
      "affects": {
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                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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          ]
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      "data_version": "4.0",
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            "value": "Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd."
          }
        ]
      },
      "problemtype": {
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      },
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          {
            "name": "FEDORA-2015-4457",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html"
          },
          {
            "name": "1032414",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1032414"
          },
          {
            "name": "[oss-security] 20150320 Re: CVE Request: Linux kernel execution in the early microcode loader.",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2015/03/20/18"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4",
            "refsource": "CONFIRM",
            "url": "https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4"
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            "url": "http://rhn.redhat.com/errata/RHSA-2015-1534.html"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1204722",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1204722"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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        "descriptions": [
          {
            "lang": "en",
            "value": "Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de buffer basado en pila en la funci\u00f3n get_matching_model_microcode en arch/x86/kernel/cpu/microcode/intel_early.c en el kernel de Linux anterior a 4.0 permite a atacantes dependientes de contexto ganar privilegios mediante la construcci\u00f3n de una cabecera de microc\u00f3digo manipulada y el aprovechamiento de privilegios root para acceso de escritura al initrd."
          }
        ],
        "id": "CVE-2015-2666",
        "lastModified": "2024-03-14T19:59:23.823",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 6.9,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.4,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2015-05-27T10:59:04.813",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
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        "vulnStatus": "Analyzed",
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    }
  }
}


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