fkie_nvd - fkie_cve-2022-50448

fkie_cve-2022-50448

Vulnerability from fkie_nvd

Published

2025-10-01 12:15

Modified

2025-10-02 19:12

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

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2204a880cb0c51952463a24a4fa01a6514c5a25a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c

Impacted products

	Vendor	Product	Version

To clipboard

{
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2022-50448",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T12:15:37.323",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2204a880cb0c51952463a24a4fa01a6514c5a25a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

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

URL

Tags

	https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c
	https://git.kernel.org/stable/c/2204a880cb0c51952463a24a4fa01a6514c5a25a
	https://git.kernel.org/stable/c/515778e2d790652a38a24554fdb7f21420d91efc

Impacted products

Vendor

Product

Version

Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8
Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8
Version: b1f9e876862d8f7176299ec4fb2108bc1045cbc8

Version: 5.19

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/hugetlb.c",
            "mm/memory.c",
            "mm/mprotect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b76e4eb02e9edb9a0a51942acdb373ca01346e8c",
              "status": "affected",
              "version": "b1f9e876862d8f7176299ec4fb2108bc1045cbc8",
              "versionType": "git"
            },
            {
              "lessThan": "2204a880cb0c51952463a24a4fa01a6514c5a25a",
              "status": "affected",
              "version": "b1f9e876862d8f7176299ec4fb2108bc1045cbc8",
              "versionType": "git"
            },
            {
              "lessThan": "515778e2d790652a38a24554fdb7f21420d91efc",
              "status": "affected",
              "version": "b1f9e876862d8f7176299ec4fb2108bc1045cbc8",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "mm/hugetlb.c",
            "mm/memory.c",
            "mm/mprotect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.17",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.3",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b76e4eb02e9edb9a0a51942acdb373ca01346e8c"
        },
        {
          "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",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "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"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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