{
  "fix": "SUSE-SU-2026:5140-1",
  "url": "https://patchblox.com/security/fix/linux/suse-su-2026-5140-1",
  "summary": "SUSE-SU-2026:5140-1, released November 11, 2026, fixes 9 CVEs in xen (version 4.18.6_03-150600.3.56.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "xen security update",
  "released": "2026-11-11T00:28:08Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-79610, high severity",
  "supported": true,
  "cveCount": 9,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00222,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/SUSE-SU-2026:5140-1",
  "appliesTo": [
    {
      "product": "xen",
      "productUrl": "https://patchblox.com/security/product/linux/xen",
      "release": "sles 15.6",
      "fixedVersion": "4.18.6_03-150600.3.56.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-79610",
      "url": "https://patchblox.com/security/cve/CVE-2026-79610",
      "title": "xen: grant-table: double version change race (bsc#1283322).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00148,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79602",
      "url": "https://patchblox.com/security/cve/CVE-2026-79602",
      "title": "xen: A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen.",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00125,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79609",
      "url": "https://patchblox.com/security/cve/CVE-2026-79609",
      "title": "xen: x86: XPTI may break on huge-memory systems (bsc#1283321).",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00106,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79603",
      "url": "https://patchblox.com/security/cve/CVE-2026-79603",
      "title": "xen: x86 PV guests can free memory pages while still keeping a stale TLB entry pointing to them",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.3,
      "epss": 0.00222,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79611",
      "url": "https://patchblox.com/security/cve/CVE-2026-79611",
      "title": "xen: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5.5,
      "epss": 0.00161,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102700",
      "url": "https://patchblox.com/security/cve/CVE-2026-102700",
      "title": "xen: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.7,
      "epss": 0.00148,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102703",
      "url": "https://patchblox.com/security/cve/CVE-2026-102703",
      "title": "xen: CVE-2026-102704: arbitrary read/write via grant copy (bsc#1288663).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.4,
      "epss": 0.00143,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-102704",
      "url": "https://patchblox.com/security/cve/CVE-2026-102704",
      "title": "xen: CVE-2026-102703, arbitrary read/write via grant copy (bsc#1288663).",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 4.4,
      "epss": 0.00143,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-62437",
      "url": "https://patchblox.com/security/cve/CVE-2026-62437",
      "title": "xen: When guests are terminated, various pieces of cleanup need carrying out",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00095,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T19:49:26Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}