{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d245f9b4ab806733a77e51a218ca7b8bc3135cd9"
            },
            {
              "fixed": "85be0a262e39c706edb53c88af8afde2e98222ba"
            },
            {
              "fixed": "39928984956037cabd304321cb8f342e47421db5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46277.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/zone_device: do not touch device folio after calling -\u003efolio_free()\n\nThe contents of a device folio can immediately change after calling\n-\u003efolio_free(), as the folio may be reallocated by a driver with a\ndifferent order.  Instead of touching the folio again to extract the\npgmap, use the local stack variable when calling percpu_ref_put_many().",
  "id": "CVE-2026-46277",
  "modified": "2026-07-15T01:49:09.855508939Z",
  "published": "2026-06-08T15:41:19.760Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39928984956037cabd304321cb8f342e47421db5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85be0a262e39c706edb53c88af8afde2e98222ba"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46277.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46277"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "mm/zone_device: do not touch device folio after calling -\u003efolio_free()"
}