Threats Tagged 'cve-2026-89755'
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Threats Tagged 'cve-2026-89755'
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A vulnerability in the Linux kernel's memory management subsystem related to stale mapping handling after freeing swapcache has been resolved. The issue involves __migrate_device_pages() using a stale folio mapping after folio_free_swap() removes the folio from the swap cache, leading to invalid reference accounting and a potential folio reference count bug. The fix includes resetting page counts after splitting large folios and refreshing the saved mapping to reflect the current folio state during migration. Join the discussion | GCVE Database | 09/11/2026, 21:31:39 UTC Added: 09/12/2026, 00:42:31 UTC |
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