Threats Tagged 'ubuntu-cve-2026-31589'
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Threats Tagged 'ubuntu-cve-2026-31589'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: mm: call ->free_folio() directly in folio_unmap_invalidate() We can only call… (CVE-2026-31589)CVE-2026-31589 0 In the Linux kernel, the following vulnerability has been resolved: mm: call ->free_folio() directly in folio_unmap_invalidate() We can only call filemap_free_folio() if we have a reference to (or hold a lock on) the mapping. Otherwise, we've already removed the folio from the mapping so it no longer pins the mapping and the mapping can be removed, causing a use-after-free when accessing mapping->a_ops. Follow the same pattern as __remove_mapping() and load the free_folio function pointer before dropping the lock on the mapping. That lets us make filemap_free_folio() static as this was the only caller outside filemap.c. Join the discussion | GCVE Database | 04/24/2026, 15:16:00 UTC Added: 07/31/2026, 15:38:38 UTC |
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