{
  "fix": "SUSE-SU-2026:3409-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3409-1",
  "summary": "SUSE-SU-2026:3409-1, released July 29, 2026, fixes 15 CVEs in xen (version 4.18.5_20-150600.3.53.3). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "xen security update",
  "released": "2026-07-29T11:18:18Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-42493, high severity",
  "supported": true,
  "cveCount": 15,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0045,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:3409-1",
  "appliesTo": [
    {
      "product": "xen",
      "productUrl": "https://patchblox.com/security/product/linux/xen",
      "release": "sles 15.6",
      "fixedVersion": "4.18.5_20-150600.3.53.3",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-42493",
      "url": "https://patchblox.com/security/cve/CVE-2026-42493",
      "title": "xen: Addressing certain issues, in particular related to operations which may take excessively long and therefore would ne...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.0045,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62431",
      "url": "https://patchblox.com/security/cve/CVE-2026-62431",
      "title": "xen: The logic to handle periodic Viridian STIMERs performs a division with an unchecked user-controlled divisor value, th...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00361,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62433",
      "url": "https://patchblox.com/security/cve/CVE-2026-62433",
      "title": "xen: Parts of the DM_OP handling code assumes the caller has provided the required number of buffers for the given operati...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.3,
      "epss": 0.00253,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62432",
      "url": "https://patchblox.com/security/cve/CVE-2026-62432",
      "title": "xen: The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the corre...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.3,
      "epss": 0.00245,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62430",
      "url": "https://patchblox.com/security/cve/CVE-2026-62430",
      "title": "xen: Accesses to the CMOS memory contents are done using an indirect IO port pair",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00243,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62427",
      "url": "https://patchblox.com/security/cve/CVE-2026-62427",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0024,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62426",
      "url": "https://patchblox.com/security/cve/CVE-2026-62426",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0022,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62428",
      "url": "https://patchblox.com/security/cve/CVE-2026-62428",
      "title": "xen: When grant-copy operations are processed, the respective grant may or may not already be in use by another operation...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00115,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62434",
      "url": "https://patchblox.com/security/cve/CVE-2026-62434",
      "title": "xen: A guest started with Populated on Demand enabled (PoD) can attempt to reclaim pages which aren\u0027t regular guest RAM",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.3,
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62429",
      "url": "https://patchblox.com/security/cve/CVE-2026-62429",
      "title": "xen: Accessing the vNUMA configuration data of a guest is still possible when domain destruction has already started",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00224,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42495",
      "url": "https://patchblox.com/security/cve/CVE-2026-42495",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62423",
      "url": "https://patchblox.com/security/cve/CVE-2026-62423",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62424",
      "url": "https://patchblox.com/security/cve/CVE-2026-62424",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62425",
      "url": "https://patchblox.com/security/cve/CVE-2026-62425",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42494",
      "url": "https://patchblox.com/security/cve/CVE-2026-42494",
      "title": "xen: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to...",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.1,
      "epss": 0.00111,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}