{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "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": "Long latency virtual-mmu operations are not preemptible (xsa-97)",
    "tracking": {
      "current_release_date": "2026-08-11T14:01:35+00:00",
      "generator": {
        "date": "2026-08-11T14:01:35+00:00",
        "engine": {
          "name": "CSAF Generator",
          "version": "3.3.0"
        }
      },
      "id": "CVE-2014-5146",
      "initial_release_date": "2014-08-12T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-08-11T14:01:35+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-2014-5146",
      "discovery_date": "2014-07-28T00:00:00+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 does not affect the versions of the kernel-xen package as shipped\nwith Red Hat Enterprise Linux 5.",
          "title": "Statement"
        },
        {
          "category": "description",
          "text": "Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.",
          "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-2014-5146"
        },
        {
          "category": "external",
          "summary": "nvd.nist.gov",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-5146"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-5146"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "version": "2.0",
            "vectorString": "AV:A/AC:H/Au:S/C:N/I:N/A:C",
            "baseScore": 4.3
          },
          "products": [
            "rhel-5.11.z.els:kernel-xen.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate",
          "product_ids": [
            "rhel-5.11.z.els:kernel-xen.src"
          ]
        }
      ],
      "title": "Long latency virtual-mmu operations are not preemptible (xsa-97)"
    }
  ]
}