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
CVE-2015-2666


To clipboard 

{
  "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": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2015-2666",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "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"
          },
          {
            "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4",
            "refsource": "CONFIRM",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4"
          },
          {
            "name": "RHSA-2015:1534",
            "refsource": "REDHAT",
            "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": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E2B0AD58-EA8D-45B5-8904-94271AEC93C8",
                    "versionEndExcluding": "3.10.83",
                    "versionStartIncluding": "3.9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5F50A53F-800B-4B6C-8D9F-15DF58421D96",
                    "versionEndExcluding": "3.12.40",
                    "versionStartIncluding": "3.11",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4424F17D-6AD4-4FE9-A029-143963887D1A",
                    "versionEndExcluding": "3.14.47",
                    "versionStartIncluding": "3.13",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7DC4BA70-B111-4D2E-BC78-6601CED68F08",
                    "versionEndExcluding": "3.16.35",
                    "versionStartIncluding": "3.15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "464FCF6E-7FDF-42F9-ABB8-EA4ADD37CD1E",
                    "versionEndExcluding": "3.18.19",
                    "versionStartIncluding": "3.17",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*",
                    "matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "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": [
              "Broken Link"
            ],
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153329.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-1534.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Mailing List"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/03/20/18"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id/1032414"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1204722"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/torvalds/linux/commit/f84598bd7c851f8b0bf8cd0d7c3be0d73c432ff4"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.