CVE-2026-74600

A flaw was found in the Linux kernel's memory management, specifically within the pagetablecheck functionality. An unprivileged local attacker could exploit this by populating a sufficient number of zero mappings. This action could lead to an overflow in the filemapcount, triggering a kernel pani...

SUSE CVE-2026-74600

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero PMDs are special mappings, but pagetablecheck can still account them ...

CVE-2026-74600

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero PMDs are special mappings, but pagetablecheck can still account them ...

CVE-2026-74600

This vulnerability affects the Linux kernel in the mm/page_table_check subsystem. The functions page_table_check_set() and page_table_check_clear() account mappings based on PageAnon(), but shared zero-page PTEs and huge zero PMDs are special mappings that can be incorrectly accounted as file-bac...

CVE-2026-74600 mm/page_table_check: skip special zero mappings

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero PMDs are special mappings, but pagetablecheck can still account them ...

EUVD-2026-64537

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero PMDs are special mappings, but pagetablecheck can still account them ...

CVE-2026-74600 mm/page_table_check: skip special zero mappings

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero PMDs are special mappings, but pagetablecheck can still account them ...

Linux Distros Unpatched Vulnerability : CVE-2026-74600

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/pagetablecheck: skip special zero mappings pagetablecheckset and pagetablecheckclear account mappings based on PageAnon. Shared zero-page PTEs and huge zero...

CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

CVE-2022-48897

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48897

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48897

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48897 arm64/mm: fix incorrect file_map_count for invalid pmd

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48897

CVE-2022-48897 affects the Linux kernel arm64 memory management, specifically a bug where pmd_leaf could be considered valid even when the PMD is invalid due to pmd_present_invalid. This caused file_map_count to be decremented and then incremented in multiple code paths, ultimately triggering a B...

CVE-2022-48897 arm64/mm: fix incorrect file_map_count for invalid pmd

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

GSD-2023-1002016 arm64/mm: fix incorrect file_map_count for invalid pmd

arm64/mm: fix incorrect filemapcount for invalid pmd This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.7 by commit...

GSD-2023-1001722 arm64/mm: fix incorrect file_map_count for invalid pmd

arm64/mm: fix incorrect filemapcount for invalid pmd This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.7 by commit...

GSD-2022-1007698 arm64/mm: fix incorrect file_map_count for non-leaf pmd/pud

arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.10 by commit...