CVE-2026-89760

CVE-2026-89760 is a Linux kernel vulnerability in the mm/swap subsystem where swap_free_hibernation_slot() incorrectly frees a hibernation slot while a folio still resides in the swap cache. When cluster readahead places a folio on a hibernation slot, freeing the slot clears the swap table entry ...

CVE-2026-89760 mm, swap: don't free a hibernation slot that is in the swap cache

In the Linux kernel, the following vulnerability has been resolved: mm, swap: don't free a hibernation slot that is in the swap cache A slot with a folio in the swap cache is freed when the folio leaves the cache, not when its count drops. swapputentriescluster follows that rule...