CVE-2023-2598

CVE-2023-2598 Privilege Escalation Understand the Compound Page and folio mechanisms in Linux through CVE-2023-2598, and subsequently see if it's possible to complete the exploitation of the 1day CVE-2023-6560. Compound Page huge page Memory is growing larger and larger, but the basic page...

Linux Distros Unpatched Vulnerability : CVE-2026-89758

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/mempolicy: skip non-present PMDs when queueing folios Patch series mm: handle device-private PMDs in walk callbacks, v3. Since commit 368076f52ebe...

CVE-2026-89760

A flaw was found in the Linux kernel's memory management mm and swap subsystem. This vulnerability occurs when the swapfreehibernationslot function incorrectly frees a hibernation slot while a memory page folio is still present in the swap cache. This can lead to silent memory corruption, process...

CVE-2026-89772

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

AZL-100605 CVE-2026-89757 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...

DEBIAN-CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

AZL-100413 CVE-2026-89755 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: clear stale mapping after freeing swapcache migratedevicepages reads the folio mapping before calling foliofreeswap. When foliofreeswap succeeds, the folio is removed from the swap cache, but the saved mapping...

CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89757

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...

CVE-2026-89593

In the Linux kernel, the following vulnerability has been resolved: hugetlb: only adjust reservation during unmapping if mapcount is 0 Since df7a6d1f6405, unmaphugepagerange can adjust reservations. In the case of folio mapped in both a parent and a child, if the parent unmaps the range first, th...

EUVD-2026-76684

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

CVE-2026-89772

CVE-2026-89772 affects the btrfs filesystem in the Linux kernel . A patch (commit 095be159f3eb) replaced the folio_clear_dirty_for_io() call in extent_write_cache_pages() with a plain folio_test_dirty() check, losing the write-protection of shared mmap PTEs during data writeback. Without this pro...

CVE-2026-89772 btrfs: write-protect folios during data writeback

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

CVE-2026-89758 mm/mempolicy: skip non-present PMDs when queueing folios

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89758

CVE-2026-89758 is a flaw in the Linux kernel's mm/mempolicy subsystem. Since commit 368076f52ebe introduced device-private THP support to PMD operations, queue_folios_pmd() can be called with a device-private PMD (left by an HMM-based GPU driver after migrating a THP folio via migrate_vma_pages()...

CVE-2026-89758 mm/mempolicy: skip non-present PMDs when queueing folios

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89757 mm/mglru: fix and remove redundant unevictable folio handling

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...

EUVD-2026-76669

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...

CVE-2026-89757 mm/mglru: fix and remove redundant unevictable folio handling

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix and remove redundant unevictable folio handling sortfolio has a shortcut for moving folios that are no longer evictable but are still sitting on a generation list. However, this shortcut is buggy. It does not follow...