gsd-2015-0239
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2015-0239",
    "description": "The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.",
    "id": "GSD-2015-0239",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-0239.html",
      "https://www.debian.org/security/2015/dsa-3170",
      "https://access.redhat.com/errata/RHSA-2015:2152",
      "https://access.redhat.com/errata/RHSA-2015:1272",
      "https://ubuntu.com/security/CVE-2015-0239",
      "https://advisories.mageia.org/CVE-2015-0239.html",
      "https://linux.oracle.com/cve/CVE-2015-0239.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-0239"
      ],
      "details": "The em_sysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service (guest OS crash) by triggering use of a 16-bit code segment for emulation of a SYSENTER instruction.",
      "id": "GSD-2015-0239",
      "modified": "2023-12-13T01:19:58.323704Z",
      "schema_version": "1.4.0"
    }
  },
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          }
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    },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.4,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-02-13T00:45Z",
      "publishedDate": "2015-03-02T11:59Z"
    }
  }
}


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