{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "733aea0b3a7bba0451dfc19322665de13a5b7af4"
            },
            {
              "fixed": "de8577db09039d4950239b01446ab5ead9028ab4"
            },
            {
              "fixed": "018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe"
            },
            {
              "fixed": "23afc3786acf359c135093893fb43a436768c832"
            },
            {
              "fixed": "7da7d599b8a83271c464adfd5ef160202b470570"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.9.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72027.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/compaction: handle free_pages_prepare() properly in compaction_free()\n\nfree_pages_prepare() can fail but compaction_free() does not handle the\nfailure case.  Failed pages should not be added back to cc-\u003efreepages for\nfuture use, since they can be either PageHWPoison or free_page_is_bad()\nand might cause data corruption.",
  "id": "CVE-2026-72027",
  "modified": "2026-08-18T03:31:30.293678125Z",
  "published": "2026-08-15T05:51:51.219Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/018d7ad26cb8bdfe9842f2ca68a42b0bfdcc82fe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23afc3786acf359c135093893fb43a436768c832"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7da7d599b8a83271c464adfd5ef160202b470570"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/de8577db09039d4950239b01446ab5ead9028ab4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72027.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72027"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "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/compaction: handle free_pages_prepare() properly in compaction_free()"
}