Threats Tagged 'ghsa-xm38-wfrw-x5q7'
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Threats Tagged 'ghsa-xm38-wfrw-x5q7'
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A vulnerability in the Linux kernel's hugetlb subsystem was resolved by ensuring reservation adjustments during unmapping only occur if the mapcount is zero. The issue involved an underflow of the reserved count when a folio mapped in both a parent and child process was unmapped first by the parent, causing incorrect reservation adjustment. The fix modifies __unmap_hugepage_range() to check the mapcount before adjusting reservations. Join the discussion | GCVE Database | 09/11/2026, 21:31:33 UTC Added: 09/12/2026, 00:42:51 UTC |
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