KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()

{
  "id": "57af666c0a6db3861bf4d8508307e7697091c571d49efa6aeab47fbca08f74b2",
  "url": "https://osv.dev/vulnerability/CVE-2022-49774",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign() Should not call eventfd_ctx_put() in case of error. [Introduce new goto target instead. - Paolo]",
    "evidence": "osv:CVE-2022-49774",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-49774",
      "aliases": [
        "CVE-2022-49774"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "2fd6df2f2b47d4301b1ee0fe9d627d1c061a5988"
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                {
                  "fixed": "d76f46f47dfde220712d1420ee5dbc546c8fc674"
                },
                {
                  "fixed": "7353633814f6e5b4899fb9ee1483709d6bb0e1cd"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49774.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "6.0.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49774.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.008297431Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/7353633814f6e5b4899fb9ee1483709d6bb0e1cd",
        "https://git.kernel.org/stable/c/d76f46f47dfde220712d1420ee5dbc546c8fc674",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49774.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49774",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49774.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-49774",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 512561,
  "published_at": "2025-05-01T14:09:11.188+00:00"
}