Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fixed the issue where shmem xarray updates occur during migration. A shmem folio can be either in the page cache or in the swap cache, but not both at the same time. Specifically, once it is in the swap cache,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache once for each folio. If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths that are smaller than the page size. When we loop through the folios in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: The issue of “folio not being locked” in softleaftofolio has been fixed. On the arm64 server, we found that the “folio” data obtained from the migration entries is not properly locked in softleaftofolio. This issue...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: a fix was made to avoid a Use-After-Free issue in f2fswriteendio. According to syzbot, a use-after-free issue occurred in f2fswriteendio. This issue is caused by the following race condition: Loop device Unmount Worker...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: migrate: corrected lock ordering for hugetlb file folio operations Syzbot has identified a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then attempts to acquire immaprwsem read lock. 2 Task 5754: Holds...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/buffer: An alert is added in trytofreebuffers for folios without buffers. trytofreebuffers can be called on folios with no buffers attached when filemapreleasefolio is invoked on a folio that belongs to a mapping, and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Check the folio mapping after unlocking in relocateonefolio. When we call btrfsreadfolio to update a folio, we unlock the folio. As a result, another thread can modify the mapping such as removing it using invalidate befor...

Linux Distros Unpatched Vulnerability : CVE-2026-89757

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-89772

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: write-protect folios during data writeback commit 095be159f3eb btrfs: unify folio dirty flag clearing replaced the foliocleardirtyforio call in...

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...

DEBIAN-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...

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-2026-89758

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...

DEBIAN-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...

AZL-100605 CVE-2026-89757 affecting package kernel 6.6.157.1-1

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 6.6.157.1-1

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...

UBUNTU-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...