CVE-2025-39878

CVE-2025-39878 involves a Linux kernel issue related to ceph code: move_dirty_folio_in_page_array() incorrectly returns 0 (PTR_ERR(NULL)) after NULLing the pointer, causing errors to be silently ignored and leaving NULL entries in the page array, potentially crashing the kernel. The documented fi...

PT-2025-39135

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to Ceph functionality. A refactoring of the move dirty folio in page array function introduced a condition where error codes are silently ignore...

Linux Distros Unpatched Vulnerability : CVE-2025-21907

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: memory-failure: update ttu flag inside unmappoisonedfolio Patch series mm: memoryfailure: unmap poisoned folio during migrate properly, v3. Fix two bugs...

Linux Distros Unpatched Vulnerability : CVE-2022-49828

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hugetlbfs: don't delete error page from pagecache This change is very similar to the change that was made for shmem 1, and it solves the same problem but for...

CVE-2022-49828: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: don't delete error page from pagecache This change is very similar to the change that was made for shmem 1, and it solves the same problem but for HugeTLBFS instead. Currently, when poison is found in a HugeTLB page, t...

CVE-2023-52934

CVE-2023-52934 refers to a Linux kernel MADV_COLLAPSE issue. A change in MADV_COLLAPSE handling of pmd lookups (replacing a !pmd_present check with pmd_none) aims to distinguish none-pmd cases from absent/bad-pmd cases to prevent misclassifying swap or other entries as huge-pmd mappings. The prov...

PT-2025-3653

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a memory handling bug in the Linux kernel's buffered reads, specifically in the netfs read to pagecache function. When this function encounters an error from either...

CVE-2024-50229 nilfs2: fix potential deadlock with newly created symlinks

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential deadlock with newly created symlinks Syzbot reported that pagesymlink, called by nilfssymlink, triggers memory reclamation involving the filesystem layer, which can result in circular lock dependencies among...

kernel: mm/filemap: skip to create PMD-sized page cache if needed

A vulnerability was found in the Linux kernel related to how large page caching is handled, particularly for AMD64 architectures. The issue stems from the xarray data structure's inability to support PMD-sized page caches when the base page size is larger than MAXPAGECACHEORDER. The particular...

AZL-62726 CVE-2024-42317 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: avoid PMD-size page cache if needed xarray can't support arbitrary page cache size. the largest and supported page cache size is defined as MAXPAGECACHEORDER by commit 099d90642a71 "mm/filemap: make MAXPAGECACHEORD...

UBUNTU-CVE-2024-42317

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: avoid PMD-size page cache if needed xarray can't support arbitrary page cache size. the largest and supported page cache size is defined as MAXPAGECACHEORDER by commit 099d90642a71 "mm/filemap: make MAXPAGECACHEORD...

mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray

...

AZL-47516 CVE-2024-42243 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...

DEBIAN-CVE-2024-42243

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...

UBUNTU-CVE-2024-42243

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...

CVE-2024-40950 mm: huge_memory: fix misused mapping_large_folio_support() for anon folios

In the Linux kernel, the following vulnerability has been resolved: mm: hugememory: fix misused mappinglargefoliosupport for anon folios When I did a large folios split test, a WARNING " 5059.122759 T166 Cannot split file folio to non-0 order" was triggered. But the test cases are only for anonmo...

PT-2024-29212

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.43 Description The Linux kernel has a vulnerability related to the creation of PMD-sized page cache. On ARM64 systems, when the base page size is 64KB, HPAGE PMD ORDER is 13, which cannot be supported by...

SUSE CVE-2021-47214

In the Linux kernel, the following vulnerability has been resolved: hugetlb, userfaultfd: fix reservation restore on userfaultfd error Currently in the iscontinue case in hugetlbmcopyatomicpte, if we bail out using "goto outreleaseunlock;" in the cases where idx = size, or !hugeptenone, the code...

CVE-2021-47214

In the Linux kernel, the following vulnerability has been resolved: hugetlb, userfaultfd: fix reservation restore on userfaultfd error Currently in the iscontinue case in hugetlbmcopyatomicpte, if we bail out using "goto outreleaseunlock;" in the cases where idx = size, or !hugeptenone, the code...

UBUNTU-CVE-2021-47214

In the Linux kernel, the following vulnerability has been resolved: hugetlb, userfaultfd: fix reservation restore on userfaultfd error Currently in the iscontinue case in hugetlbmcopyatomicpte, if we bail out using "goto outreleaseunlock;" in the cases where idx = size, or !hugeptenone, the code...