CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43292

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: prevent RCU stalls in kasanreleasevmallocnode When CONFIGPAGEOWNER is enabled, freeing KASAN shadow pages during vmalloc cleanup triggers expensive stack unwinding that acquires RCU read locks. Processing a large...

AZL-86193 CVE-2026-43292 affecting package kernel for versions less than 6.6.138.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: prevent RCU stalls in kasanreleasevmallocnode When CONFIGPAGEOWNER is enabled, freeing KASAN shadow pages during vmalloc cleanup triggers expensive stack unwinding that acquires RCU read locks. Processing a large...

CVE-2026-43286

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore failed global reservations to subpool Commit a833a693a490 "mm: hugetlb: fix incorrect fallback for subpool" fixed an underflow error for hstate-resvhugepages caused by incorrectly attributing globally requeste...

CVE-2026-43286

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore failed global reservations to subpool Commit a833a693a490 "mm: hugetlb: fix incorrect fallback for subpool" fixed an underflow error for hstate-resvhugepages caused by incorrectly attributing globally requeste...

UBUNTU-CVE-2026-43292

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: prevent RCU stalls in kasanreleasevmallocnode When CONFIGPAGEOWNER is enabled, freeing KASAN shadow pages during vmalloc cleanup triggers expensive stack unwinding that acquires RCU read locks. Processing a large...

CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

UBUNTU-CVE-2026-43286

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore failed global reservations to subpool Commit a833a693a490 "mm: hugetlb: fix incorrect fallback for subpool" fixed an underflow error for hstate-resvhugepages caused by incorrectly attributing globally requeste...

UBUNTU-CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

UBUNTU-CVE-2026-43348

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43348 mshv_vtl: Fix vmemmap_shift exceeding MAX_FOLIO_ORDER

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43348 mshv_vtl: Fix vmemmap_shift exceeding MAX_FOLIO_ORDER

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Fix vmemmapshift exceeding MAXFOLIOORDER When registering VTL0 memory via MSHVADDVTL0MEMORY, the kernel computes pgmap-vmemmapshift as the number of trailing zeros in the OR of startpfn and lastpfn, intending to use the...

CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43303

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43303 mm/page_alloc: clear page->private in free_pages_prepare()

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43303

The CVE-2026-43303 issue affects the Linux kernel’s memory management in mm/page_alloc. Subsystems such as slub, shmem, and ttm expose page->private and fail to clear it before freeing pages. If freed pages are later allocated as high-order pages and split, tail pages may retain stale page-&gt...

CVE-2026-43303 mm/page_alloc: clear page->private in free_pages_prepare()

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare Several subsystems slub, shmem, ttm, etc. use page-private but don't clear it before freeing pages. When these pages are later allocated as high-order pages and split via...

CVE-2026-43292

The CVE-2026-43292 issue affects the Linux kernel mm/vmalloc path when CONFIG_PAGE_OWNER is enabled. During vmalloc cleanup, freeing KASAN shadow pages can trigger stack unwinding under an RCU read lock, and processing a large purge_list (kasan_release_vmalloc_node) may cause long RCU stalls (10+...