kernel: lib/buildid: use __kernel_read() for sleepable context

In the Linux kernel, the following vulnerability has been resolved: lib/buildid: use kernelread for sleepable context Prevent a "BUG: unable to handle kernel NULL pointer dereference in filemapreadfolio". For the sleepable context, convert freader to use kernelread instead of direct page cache...

CVE-2025-71295 fs/buffer: add alert in try_to_free_buffers() for folios without buffers

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

CVE-2025-71295

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

mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()

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Linux Distros Unpatched Vulnerability : CVE-2026-31648

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very stran...

SUSE CVE-2026-31597

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix use-after-free in ocfs2fault when VMFAULTRETRY filemapfault may drop the mmaplock before returning VMFAULTRETRY, as documented in mm/filemap.c: "If our return value has VMFAULTRETRY set, it's because the mmaplock may b...

SUSE CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31648

A flaw was found in the Linux kernel. A race condition in the filemapmappages function can lead to an integer overflow during the calculation of nrpages. This overflow causes the system to map memory beyond the intended boundaries of a memory block, potentially corrupting critical page metadata. ...

DEBIAN-CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

DEBIAN-CVE-2026-31589

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio 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...

CVE-2026-31589

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio 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...

CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31648 mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31648

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31648 mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

EUVD-2026-25541

In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nrpages calculation overflow in filemapmappages When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange crash issues showing up as "Bad page state": " 734.496287 BUG: Bad...

CVE-2026-31597

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix use-after-free in ocfs2fault when VMFAULTRETRY filemapfault may drop the mmaplock before returning VMFAULTRETRY, as documented in mm/filemap.c: "If our return value has VMFAULTRETRY set, it's because the mmaplock may b...

CVE-2026-31597

The CVE-2026-31597 vulnerability affects the Linux kernel OCFS2 code. A use-after-free occurs in ocfs2_fault() when VM_FAULT_RETRY triggers after filemap_fault() drops mmap_lock, allowing a concurrent munmap() to free the vm_area_struct and causing ocfs2_fault() to dereference a dangling vma. The...

EUVD-2026-25482

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio 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...