{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fadae2953072e9005c5f1d64e1049edb043494dc"
            },
            {
              "fixed": "84b3212b166b446faea27ebebb7161405ffceef9"
            },
            {
              "fixed": "108963978a681c0c468d279cac2b930c27672877"
            },
            {
              "fixed": "459771c9cf30f378bdbd30fc65d17f7eb931bb59"
            },
            {
              "fixed": "ae9d4caf6f133e884cf5fcda4982c493b35e5194"
            },
            {
              "fixed": "6c29a8ba084e89499ca77b947e07ae817f9c16ce"
            },
            {
              "fixed": "5f5b604e1e6bde4e889199168ee80fe8306d06ad"
            },
            {
              "fixed": "ed5b030931292c94133437ac5e5ff580e498eabd"
            },
            {
              "fixed": "8d878059924f12c1bc24556a92ec56add74de3c8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.19.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53189.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/huge_memory: update file PMD counter before folio_put()\n\n__split_huge_pmd_locked() updates the file/shmem RSS counter after\ndropping the PMD mapping's folio reference.  If folio_put() drops the last\nreference, mm_counter_file() can later read freed folio state via\nfolio_test_swapbacked().\n\nMove the counter update before folio_put().",
  "id": "CVE-2026-53189",
  "modified": "2026-07-08T05:36:11.746724409Z",
  "published": "2026-06-25T08:39:01.708Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/108963978a681c0c468d279cac2b930c27672877"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/459771c9cf30f378bdbd30fc65d17f7eb931bb59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f5b604e1e6bde4e889199168ee80fe8306d06ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c29a8ba084e89499ca77b947e07ae817f9c16ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84b3212b166b446faea27ebebb7161405ffceef9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d878059924f12c1bc24556a92ec56add74de3c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ae9d4caf6f133e884cf5fcda4982c493b35e5194"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed5b030931292c94133437ac5e5ff580e498eabd"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53189.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53189"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "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/huge_memory: update file PMD counter before folio_put()"
}