In the Linux kernel, the following vulnerability has been resolved:
mm: use aligned address in clear_gigantic_page()
In current kernel, hugetlb_no_page() calls folio_zero_user() with the
fault address. Where the fault address may be not aligned with the huge
page size. Then, folio_zero_user() may call clear_gigantic_page() with
the address, while clear_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
clear_gigantic_page().
Metrics
Affected Vendors & Products
References
History
Tue, 14 Jan 2025 08:45:00 +0000
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cvssV3_1
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Sat, 11 Jan 2025 12:45:00 +0000
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Description | In the Linux kernel, the following vulnerability has been resolved: mm: use aligned address in clear_gigantic_page() In current kernel, hugetlb_no_page() calls folio_zero_user() with the fault address. Where the fault address may be not aligned with the huge page size. Then, folio_zero_user() may call clear_gigantic_page() with the address, while clear_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 clear_gigantic_page(). | |
Title | mm: use aligned address in clear_gigantic_page() | |
References |
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MITRE
Status: PUBLISHED
Assigner: Linux
Published: 2025-01-11T12:35:39.280Z
Updated: 2025-01-11T12:35:39.280Z
Reserved: 2025-01-11T12:33:33.694Z
Link: CVE-2024-52319
Vulnrichment
No data.
NVD
Status : Received
Published: 2025-01-11T13:15:24.843
Modified: 2025-01-11T13:15:24.843
Link: CVE-2024-52319
Redhat