mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in

{
  "id": "70f378d4b6bbbbb56c75c83a58d98681dd06429e2360e19dcec2788a4bd99e9c",
  "url": "https://osv.dev/vulnerability/CVE-2022-50448",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP ifdefs to make sure the code won't be reached when not compiled in.",
    "evidence": "osv:CVE-2022-50448",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.19.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.0.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50448",
      "aliases": [
        "CVE-2022-50448"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "b76e4eb02e9edb9a0a51942acdb373ca01346e8c"
                },
                {
                  "fixed": "2204a880cb0c51952463a24a4fa01a6514c5a25a"
                },
                {
                  "fixed": "515778e2d790652a38a24554fdb7f21420d91efc"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50448.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "5.19.17"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.20.0"
                },
                {
                  "fixed": "6.0.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50448.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.427674779Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2204a880cb0c51952463a24a4fa01a6514c5a25a",
        "https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc",
        "https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50448.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50448",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50448.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50448",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 517775,
  "published_at": "2025-10-01T11:45:22.513+00:00"
}