Threats Tagged 'ghsa-fr6m-54gx-w628'
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Threats Tagged 'ghsa-fr6m-54gx-w628'
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In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: preserve pmd_swp_uffd_wp on device-private PMD downgrade… (CVE-2026-72180)CVE-2026-72180 0 A vulnerability in the Linux kernel's memory management subsystem involving huge page memory handling has been resolved. The issue was in the function change_non_present_huge_pmd(), which incorrectly rewrites a writable device-private PMD swap entry into a readable one without preserving the pmd_swp_uffd_wp() bit. This omission allows a mprotect() operation on a UFFD_WP-marked device-private transparent huge page (THP) to strip the protection bit, bypassing the userfaultfd write-protect trap on swap-in. The fix aligns this behavior with other related kernel functions to correctly preserve this bit. Join the discussion | GCVE Database | 08/15/2026, 06:32:15 UTC Added: 08/15/2026, 15:53:24 UTC |
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