UBUNTU-CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

UBUNTU-CVE-2025-21931

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

CVE-2025-21984 mm: fix kernel BUG when userfaultfd_move encounters swapcache

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

CVE-2025-21984 mm: fix kernel BUG when userfaultfd_move encounters swapcache

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

CVE-2025-21931 hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

CVE-2025-21931 hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

CVE-2025-21931

CVE-2025-21931 affects the Linux kernel memory hotplug path (hwpoison) and was fixed by ensuring folio lock is held before unmapping hwpoisoned folio. The fix adds the folio lock around unmap calls in do_migrate_range/try_to_unmap to prevent the kernel BUG triggered when folio is not locked. The ...

CVE-2025-21907 mm: memory-failure: update ttu flag inside unmap_poisoned_folio

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...

CVE-2025-21907

CVE-2025-21907 documents a Linux kernel memory-management issue: during folio migration, unmap_poisoned_folio() must set TTU_HWPOISON for anon folio (and align policy with hwpoison_user_mappings for pagecache). The patch series mm: memory_failure: unmap poisoned folio during migrate properly fixe...

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...

CVE-2025-21896 fuse: revert back to __readahead_folio() for readahead

In the Linux kernel, the following vulnerability has been resolved: fuse: revert back to readaheadfolio for readahead In commit 3eab9d7bc2f4 "fuse: convert readahead to use folios", the logic was converted to using the new folio readahead code, which drops the reference on the folio once it is...

CVE-2025-21896

CVE-2025-21896 affects the Linux kernel fuse readahead path. The issue arose when converting readahead to folios: folio references were dropped after locking, breaking the expected reference on ap->folios during splice operations, risking use-after-free in readpages. The fix reverts to __reada...

CVE-2025-21896 fuse: revert back to __readahead_folio() for readahead

In the Linux kernel, the following vulnerability has been resolved: fuse: revert back to readaheadfolio for readahead In commit 3eab9d7bc2f4 "fuse: convert readahead to use folios", the logic was converted to using the new folio readahead code, which drops the reference on the folio once it is...

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...

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 Linux kernel that stems from a possible deadlock of nfsreleasefolio in the context of kcompactd...

WordPress plugin mFolio Lite 跨站脚本漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform supports setting up personal blog sites on servers with PHP and MySQL.WordPress plugin is an application plug-in. A cross-site scripting...

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 a problem when fuse falls back to readaheadfolio for pre-reading...

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 unmapping without locking folio...

Linux 6.5 Kernel Pointer Leak

The Linux cachestat syscall introduced in 6.5 has a read-after-type-change of folio that leads to a kernel pointer leak...

SUSE CVE-2025-21861

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: don't add folio to be freed to LRU in migratedevicefinalize If migration succeeded, we called foliomigrateflags-memcgroupmigrate to migrate the memcg from the old to the new folio. This will set memcgdata of the...