CVE-2026-46279

A flaw was found in the Linux kernel's memory management subsystem. Due to an initialization ordering issue, certain pages allocated before the pageext structure is fully available may have uninitialized codetag references. This can lead to a warning being triggered when these pages are later...

CVE-2026-46279

In the Linux kernel, the following vulnerability has been resolved: mm/alloctag: clear codetag for pages allocated before pageext initialization Due to initialization ordering, pageext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed befor...

CVE-2026-46279 mm/alloc_tag: clear codetag for pages allocated before page_ext initialization

In the Linux kernel, the following vulnerability has been resolved: mm/alloctag: clear codetag for pages allocated before pageext initialization Due to initialization ordering, pageext is allocated and initialized relatively late during boot. Some pages have already been allocated and freed befor...

CVE-2026-46279

The CVE-2026-46279 issue in the Linux kernel is in mm/alloc_tag: pages allocated before page_ext initialization may have an uninitialized codetag, triggering warnings when freed under certain configs. The fix implements a global array (8192 entries) to track pages allocated before page_ext is ful...

SUSE CVE-2024-40948

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: fix crash on ZONEDEVICE Not all pages may apply to pgtable check. One example is ZONEDEVICE pages: they map PFNs directly, and they don't allocate pageext at all even if there's struct page around. One may...

DEBIAN-CVE-2024-40948

In the Linux kernel, the following vulnerability has been resolved: mm/pagetablecheck: fix crash on ZONEDEVICE Not all pages may apply to pgtable check. One example is ZONEDEVICE pages: they map PFNs directly, and they don't allocate pageext at all even if there's struct page around. One may...