mm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison

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EUVD-2026-39298

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53207

The CVE-2026-53207 issue affects the Linux kernel mm/memory-failure path, where concurrent MADV_HWPOISON calls on the same hugetlb page can deadlock the non-recursive hugetlb_lock. The root cause is a sequence where a GUP reference is dropped under the hugetlb_lock, allowing free_huge_folio to re...

kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory

A use-after-free memory bug exists in the linux kernel, such that unpoisonmemory tries to check the PGHWPoison flags of an uninitialized page. So VMBUGONPAGEPagePoisonedpage is triggered, leading to damage to the system availability and integrity...

kernel: mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory

A use-after-free memory bug exists in the linux kernel, such that unpoisonmemory tries to check the PGHWPoison flags of an uninitialized page. So VMBUGONPAGEPagePoisonedpage is triggered, leading to damage to the system availability and integrity...

mm/vmscan: don't try to reclaim hwpoison folio

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CVE-2025-37834 mm/vmscan: don't try to reclaim hwpoison folio

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: don't try to reclaim hwpoison folio Syzkaller reports a bug as follows: Injecting memory failure for pfn 0x18b00e at process virtual address 0x20ffd000 Memory failure: 0x18b00e: dirty swapcache page still referenced by...

AZL-69518 CVE-2025-21907 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmappoisonedfolio Patch series "mm: memoryfailure: unmap poisoned folio during migrate properly", v3. Fix two bugs during folio migration if the folio is poisoned. This patch of 3: Comm...

DEBIAN-CVE-2025-21907

In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmappoisonedfolio Patch series "mm: memoryfailure: unmap poisoned folio during migrate properly", v3. Fix two bugs during folio migration if the folio is poisoned. This patch of 3: Comm...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly setting the TTUHWPOISON flag in unmappoisonedfolio...

SUSE CVE-2023-52939

In the Linux kernel, the following vulnerability has been resolved: mm: memcg: fix NULL pointer in memcgrouptrackforeigndirtyslowpath As commit 18365225f044 "hwpoison, memcg: forcibly uncharge LRU pages", hwpoison will forcibly uncharg a LRU hwpoisoned page, the foliomemcg could be NULl, then,...

UBUNTU-CVE-2024-40914

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: don't unpoison hugezerofolio When I did memory failure tests recently, below panic occurs: kernel BUG at include/linux/mm.h:1135! invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU: 9 PID: 137 Comm: kswapd1 Not tainted...