CVE-2024-27007
Vulnerability from cvelistv5
Published
2024-05-01 05:29
Modified
2024-11-05 09:19
Severity ?
Summary
userfaultfd: change src_folio after ensuring it's unpinned in UFFDIO_MOVE
Impacted products
Vendor Product Version
Linux Linux Version: 6.8
Show details on NVD website


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                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T17:40:30.411881Z",
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          "value": "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."
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    "cveId": "CVE-2024-27007",
    "datePublished": "2024-05-01T05:29:08.528Z",
    "dateReserved": "2024-02-19T14:20:24.208Z",
    "dateUpdated": "2024-11-05T09:19:49.951Z",
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