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

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...

EUVD-2026-35144

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...

PT-2026-47351

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

CVE-2025-68199

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: handle existing CODETAGEMPTY in markobjextsempty for slabobjext When allocslabobjexts fails and then later succeeds in allocating a slab extension vector, it calls handlefailedobjextsalloc to mark all objects in t...

CVE-2025-68199 codetag: debug: handle existing CODETAG_EMPTY in mark_objexts_empty for slabobj_ext

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: handle existing CODETAGEMPTY in markobjextsempty for slabobjext When allocslabobjexts fails and then later succeeds in allocating a slab extension vector, it calls handlefailedobjextsalloc to mark all objects in t...

USN-7770-1 linux-azure vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

CVE-2024-46790

In the Linux kernel, the following vulnerability has been resolved: codetag: debug: mark codetags for poisoned page as empty When PGhwpoison pages are freed they are treated differently in freepagesprepare and instead of being released they are isolated. Page allocation tag counters are decrement...