{
  "cveId": "CVE-2026-45880",
  "url": "https://patchblox.com/security/cve/CVE-2026-45880",
  "summary": "CVE-2026-45880 is fixed in 38 products on 1 platform, first by ALAS2023-2026-1514, released March 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  PCI/P2PDMA: Release per-CPU pgmap ref when vm_in...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails  When vm_insert_page() fails in p2pmem_alloc_mmap(), p2pmem_alloc_mmap() doesn\u0027t invoke percpu_ref_put() to free the per-CPU ref of pgmap acquired after gen_pool_alloc_owner(), and memunmap_pages() will hang forever when trying to remove the PCI device.  Fix it by adding the missed percpu_ref_put().",
  "published": "2026-03-30T09:00:00Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.0016,
  "epssPercentile": 0.05178,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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    },
    {
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      "released": "2026-03-30T09:00:00Z"
    }
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  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}