fkie_nvd - fkie_cve-2025-39754

fkie_cve-2025-39754

Vulnerability from fkie_nvd

Published

2025-09-11 17:15

Modified

2025-09-15 15:22

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smaps_hugetlb_range and migration smaps_hugetlb_range() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). The race is as follows. smaps_hugetlb_range migrate_pages huge_ptep_get remove_migration_ptes folio_unlock pfn_swap_entry_folio BUG_ON To fix it, hold ptl lock in smaps_hugetlb_range().

References

▼	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/smaps: fix race between smaps_hugetlb_range and migration\n\nsmaps_hugetlb_range() handles the pte without holdling ptl, and may be\nconcurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). \nThe race is as follows.\n\nsmaps_hugetlb_range              migrate_pages\n  huge_ptep_get\n                                   remove_migration_ptes\n\t\t\t\t   folio_unlock\n  pfn_swap_entry_folio\n    BUG_ON\n\nTo fix it, hold ptl lock in smaps_hugetlb_range()."
    }
  ],
  "id": "CVE-2025-39754",
  "lastModified": "2025-09-15T15:22:38.297",
  "metrics": {},
  "published": "2025-09-11T17:15:39.200",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2025-39754 (GCVE-0-2025-39754)

Vulnerability from cvelistv5

Published

2025-09-11 16:52

Modified

2025-09-29 05:58

Severity ?

Summary

References

▼	URL	Tags
	https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138
	https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76
	https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5
	https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01

Impacted products

Vendor

Product

Version

▼

Linux

Version: 25ee01a2fca02dfb5a3ce316e77910c468108199
Version: 25ee01a2fca02dfb5a3ce316e77910c468108199
Version: 25ee01a2fca02dfb5a3ce316e77910c468108199
Version: 25ee01a2fca02dfb5a3ce316e77910c468108199

Linux

Version: 4.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/proc/task_mmu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2a1f3663974162b8f1e098196f557cfc1d160138",
              "status": "affected",
              "version": "25ee01a2fca02dfb5a3ce316e77910c468108199",
              "versionType": "git"
            },
            {
              "lessThan": "09fc018f48871123ad5dbd7b03c956580232ed76",
              "status": "affected",
              "version": "25ee01a2fca02dfb5a3ce316e77910c468108199",
              "versionType": "git"
            },
            {
              "lessThan": "b625883ccbcc2b57808db51d1375b1d7b9bcb3e5",
              "status": "affected",
              "version": "25ee01a2fca02dfb5a3ce316e77910c468108199",
              "versionType": "git"
            },
            {
              "lessThan": "45d19b4b6c2d422771c29b83462d84afcbb33f01",
              "status": "affected",
              "version": "25ee01a2fca02dfb5a3ce316e77910c468108199",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/proc/task_mmu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.4"
            },
            {
              "lessThan": "4.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.43",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.16.*",
              "status": "unaffected",
              "version": "6.16.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.43",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.11",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16.2",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "4.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/smaps: fix race between smaps_hugetlb_range and migration\n\nsmaps_hugetlb_range() handles the pte without holdling ptl, and may be\nconcurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). \nThe race is as follows.\n\nsmaps_hugetlb_range              migrate_pages\n  huge_ptep_get\n                                   remove_migration_ptes\n\t\t\t\t   folio_unlock\n  pfn_swap_entry_folio\n    BUG_ON\n\nTo fix it, hold ptl lock in smaps_hugetlb_range()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T05:58:44.690Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138"
        },
        {
          "url": "https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76"
        },
        {
          "url": "https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01"
        }
      ],
      "title": "mm/smaps: fix race between smaps_hugetlb_range and migration",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39754",
    "datePublished": "2025-09-11T16:52:24.763Z",
    "dateReserved": "2025-04-16T07:20:57.125Z",
    "dateUpdated": "2025-09-29T05:58:44.690Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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