CVE-2024-51729 (GCVE-0-2024-51729)
Vulnerability from cvelistv5
Published
2025-01-11 12:35
Modified
2025-05-04 09:51
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mm: use aligned address in copy_user_gigantic_page() In current kernel, hugetlb_wp() calls copy_user_large_folio() with the fault address. Where the fault address may be not aligned with the huge page size. Then, copy_user_large_folio() may call copy_user_gigantic_page() with the address, while copy_user_gigantic_page() requires the address to be huge page size aligned. So, this may cause memory corruption or information leak, addtional, use more obvious naming 'addr_hint' instead of 'addr' for copy_user_gigantic_page().
References
Impacted products
Vendor Product Version
Linux Linux Version: 530dd9926dc16220d2fae0997f45cda94f5f0864
Version: 530dd9926dc16220d2fae0997f45cda94f5f0864
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            "mm/hugetlb.c",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: use aligned address in copy_user_gigantic_page()\n\nIn current kernel, hugetlb_wp() calls copy_user_large_folio() with the\nfault address.  Where the fault address may be not aligned with the huge\npage size.  Then, copy_user_large_folio() may call\ncopy_user_gigantic_page() with the address, while\ncopy_user_gigantic_page() requires the address to be huge page size\naligned.  So, this may cause memory corruption or information leak,\naddtional, use more obvious naming \u0027addr_hint\u0027 instead of \u0027addr\u0027 for\ncopy_user_gigantic_page()."
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    "datePublished": "2025-01-11T12:35:38.375Z",
    "dateReserved": "2025-01-11T12:33:33.687Z",
    "dateUpdated": "2025-05-04T09:51:19.098Z",
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  }
}


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