{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3dc92c311498c4d307cfdd0c6c3ac9355b50f683"
            },
            {
              "fixed": "b8271be34bce151597da5b5179e0648c281322a4"
            },
            {
              "fixed": "9fefab759f59bf891bef7be15aee4bc7caec7ec3"
            },
            {
              "fixed": "0e39380a7316122e1b00012b3f3cd3e318b3e7d3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.16.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "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-2026-72169.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nkho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES\n\nWhen using scratch_scale, the scratch sizes are rounded up to\nCMA_MIN_ALIGNMENT_BYTES since they will be released as MIGRATE_CMA. This\nis not done when using fixed scratch sizes via command line. This can\nresult in user specifying a size which is not aligned, and thus kernel\nreleasing a pageblock that is only partially scratch.\n\nDo the rounding up for both cases in scratch_size_update().",
  "id": "CVE-2026-72169",
  "modified": "2026-08-18T03:30:54.709761117Z",
  "published": "2026-08-15T05:53:35.599Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e39380a7316122e1b00012b3f3cd3e318b3e7d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9fefab759f59bf891bef7be15aee4bc7caec7ec3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8271be34bce151597da5b5179e0648c281322a4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72169.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72169"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES"
}