{
  "id": "CVE-2022-42330",
  "sourceIdentifier": "security@xen.org",
  "published": "2023-01-26T21:16:47.947",
  "lastModified": "2023-02-06T16:26:03.957",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Guests can cause Xenstore crash via soft reset When a guest issues a \"Soft Reset\" (e.g. for performing a kexec) the libxl based Xen toolstack will normally perform a XS_RELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XS_RELEASE will have the same impact."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:xen:xen:4.17.0:*:*:*:*:*:x64:*",
              "matchCriteriaId": "7F641815-8FA3-4815-A02F-5D674214D7FC"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://xenbits.xenproject.org/xsa/advisory-425.txt",
      "source": "security@xen.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}