CVE-2022-50448 (GCVE-0-2022-50448)
Vulnerability from cvelistv5
Published
2025-10-01 11:45
Modified
2025-10-01 11:45
Severity ?
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8
Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8
Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8
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{
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          "product": "Linux",
          "programFiles": [
            "mm/hugetlb.c",
            "mm/memory.c",
            "mm/mprotect.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "5.19"
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                }
              ],
              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in\n\nWhen PTE_MARKER_UFFD_WP not configured, it\u0027s still possible to reach pte\nmarker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP\nifdefs to make sure the code won\u0027t be reached when not compiled in."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-01T11:45:22.513Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
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          "url": "https://git.kernel.org/stable/c/2204a880cb0c51952463a24a4fa01a6514c5a25a"
        },
        {
          "url": "https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc"
        }
      ],
      "title": "mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in",
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    }
  },
  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50448",
    "datePublished": "2025-10-01T11:45:22.513Z",
    "dateReserved": "2025-09-17T14:53:07.011Z",
    "dateUpdated": "2025-10-01T11:45:22.513Z",
    "state": "PUBLISHED"
  },
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  }
}


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