github - ghsa-2848-825f-x8rx

ghsa-2848-825f-x8rx

Vulnerability from github

Published

2024-05-01 06:31

Modified

2024-05-03 03:30

Details

In the Linux kernel, the following vulnerability has been resolved:

userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE

Commit d7a08838ab74 ("mm: userfaultfd: fix unexpected change to src_folio when UFFDIO_MOVE fails") moved the src_folio->{mapping, index} changing to after clearing the page-table and ensuring that it's not pinned. This avoids failure of swapout+migration and possibly memory corruption.

However, the commit missed fixing it in the huge-page case.

Show details on source website

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  "affected": [],
  "aliases": [
    "CVE-2024-27007"
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  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:19Z",
    "severity": null
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  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nuserfaultfd: change src_folio after ensuring it\u0027s unpinned in UFFDIO_MOVE\n\nCommit d7a08838ab74 (\"mm: userfaultfd: fix unexpected change to src_folio\nwhen UFFDIO_MOVE fails\") moved the src_folio-\u003e{mapping, index} changing to\nafter clearing the page-table and ensuring that it\u0027s not pinned.  This\navoids failure of swapout+migration and possibly memory corruption.\n\nHowever, the commit missed fixing it in the huge-page case.",
  "id": "GHSA-2848-825f-x8rx",
  "modified": "2024-05-03T03:30:47Z",
  "published": "2024-05-01T06:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27007"
    },
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    },
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    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2024-27007

Vulnerability from cvelistv5

Published

2024-05-01 05:29

Modified

2024-08-02 00:21

Severity

Summary

userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE

References

URL	Tags
https://git.kernel.org/stable/c/df5f6e683e7f21a15d8be6e7a0c7a46436963ebe
https://git.kernel.org/stable/c/c0205eaf3af9f5db14d4b5ee4abacf4a583c3c50

Impacted products

Vendor	Product
Linux	Linux
Linux	Linux

Show details on NVD website

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