{
  "cveId": "CVE-2024-49872",
  "url": "https://patchblox.com/security/cve/CVE-2024-49872",
  "summary": "CVE-2024-49872 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-49872, released October 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mm/gup: fix memfd_pin_folios alloc race panic  I...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  mm/gup: fix memfd_pin_folios alloc race panic  If memfd_pin_folios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here:          folio = memfd_alloc_folio(memfd, start_idx);         if (IS_ERR(folio)) {                 ret = PTR_ERR(folio);                 if (ret != -EEXIST)                         goto err;  then on the next trip through the \u0022while start_idx\u0022 loop we panic here:          if (folio) {                 folio_put(folio);  To fix, set the folio to NULL on error.",
  "published": "2024-10-21T18:15:08Z",
  "severity": "medium",
  "cvss": 4.7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00145,
  "epssPercentile": 0.03785,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.11.4-1",
      "fix": "DEBIAN-CVE-2024-49872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-49872",
      "released": "2024-10-21T18:15:08Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.11.4-1",
      "fix": "DEBIAN-CVE-2024-49872",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-49872",
      "released": "2024-10-21T18:15:08Z"
    }
  ],
  "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"
  }
}