CVE-2025-38050 mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

CVE-2025-38050 mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

CVE-2025-38050

CVE-2025-38050 affects the Linux kernel hugetlb memory management. A race between __update_and_free_hugetlb_folio() and replace_free_hugepage_folios() can cause folio_hstate(folio) to see a NULL pointer, leading to a kernel NULL pointer dereference and crash. The description explains the root cau...

PT-2025-25824

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-rc6-zp 41 Description A kernel crash was observed due to a NULL pointer dereference when replacing free hugetlb folios. This issue arises from a potential race between update and free hugetlb folio and...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Block: Fix to add folio to bio. A size of 4GB for folio is possible on some ARCHs, such as aarch64. A size of 16GB for hugepage is also supported. However, the “offset” of folio cannot be stored in “unsigned int”, which causes a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Folios with a right number of references are dropped when they exceed the limit set by EOF. When a “after-split” folio is large and needs to be dropped due to reaching EOF, the function folioputrefsfolio,...

kernel: mm/mglru: fix div-by-zero in vmpressure_calc_level()

In the Linux kernel, the following vulnerability has been resolved: mm/mglru: fix div-by-zero in vmpressurecalclevel evictfolios uses a second pass to reclaim folios that have gone through page writeback and become clean before it finishes the first pass, since foliorotatereclaimable cannot handl...

kernel: udmabuf: change folios array from kmalloc to kvmalloc

A flaw was found in the Linux kernel's udmabuf driver. This vulnerability allows a local user to cause a denial of service DoS by requesting large buffer allocations. Because the driver relies on physically contiguous memory allocations with strict size limits, requesting buffers that exceed kern...

SUSE CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

SUSE CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

DEBIAN-CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

SUSE CVE-2025-22000

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

DEBIAN-CVE-2025-22000

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

CVE-2025-22000 mm/huge_memory: drop beyond-EOF folios with the right number of refs

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: drop beyond-EOF folios with the right number of refs When an after-split folio is large and needs to be dropped due to EOF, folioputrefsfolio, folionrpagesfolio should be used to drop all page cache refs. Otherwise...

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-2025-21907 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...

Linux Distros Unpatched Vulnerability : CVE-2024-35872

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Ubuntu Linux - In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix GUP- fast succeeding on secretmem folios folioissecretmem...

CVE-2024-58001

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle a symlink read error correctly Patch series "Convert ocfs2 to use folios". Mark did a conversion of ocfs2 to use folios and sent it to me as a giant patch for review ;- So I've redone it as individual patches, and...

DEBIAN-CVE-2024-58001

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle a symlink read error correctly Patch series "Convert ocfs2 to use folios". Mark did a conversion of ocfs2 to use folios and sent it to me as a giant patch for review ;- So I've redone it as individual patches, and...

CVE-2024-58001

Technical details about CVE-2024-58001 are not publicly provided in the supplied documents. Monitor for updates from official advisories; the sources reference related advisories but do not reveal vulnerability specifics, affected products, or fixes.