{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "title": "Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation (XSA-105)",
    "tracking": {
      "current_release_date": "2026-08-11T14:01:48+00:00",
      "generator": {
        "date": "2026-08-11T14:01:48+00:00",
        "engine": {
          "name": "CSAF Generator",
          "version": "3.3.0"
        }
      },
      "id": "CVE-2014-7155",
      "initial_release_date": "2014-09-23T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-08-11T14:01:48+00:00",
          "number": "1",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "category": "vendor",
        "name": "Red Hat",
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux 5.11",
            "product": {
              "name": "Red Hat Enterprise Linux 5.11",
              "product_id": "rhel-5.11.z.els",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:rhel_els:5"
              }
            }
          },
          {
            "category": "product_version",
            "name": "kernel-xen",
            "product": {
              "name": "kernel-xen",
              "product_id": "kernel-xen.src",
              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/kernel-xen?arch=src"
              }
            }
          }
        ]
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-xen.src as a component of Red Hat Enterprise Linux 5.11",
          "product_id": "rhel-5.11.z.els:kernel-xen.src"
        },
        "product_reference": "kernel-xen.src",
        "relates_to_product_reference": "rhel-5.11.z.els"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2014-7155",
      "cwe": {
        "id": "CWE-862",
        "name": "Missing Authorization"
      },
      "discovery_date": "2014-09-09T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "rhel-5.11.z.els:kernel-xen.src"
          ]
        }
      ],
      "notes": [
        {
          "category": "other",
          "text": "Not vulnerable.\n\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.",
          "title": "Statement"
        },
        {
          "category": "description",
          "text": "The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "rhel-5.11.z.els:kernel-xen.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-7155"
        },
        {
          "category": "external",
          "summary": "nvd.nist.gov",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-7155"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-7155"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "version": "2.0",
            "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
            "baseScore": 6.2
          },
          "products": [
            "rhel-5.11.z.els:kernel-xen.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "rhel-5.11.z.els:kernel-xen.src"
          ]
        }
      ],
      "title": "Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation (XSA-105)"
    }
  ]
}