Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: riscv: Sparse-Memory/vmemmap out-of-bounds fix Offset vmemmap so that the first page of vmemmap will be mapped to the first page of physical memory in order to ensure that vmemmap’s bounds will be respected during...

CVE-2025-39844 mm: move page table sync declarations to linux/pgtable.h

In the Linux kernel, the following vulnerability has been resolved: mm: move page table sync declarations to linux/pgtable.h During our internal testing, we started observing intermittent boot failures when the machine uses 4-level paging and has a large amount of persistent memory: BUG: unable t...

CVE-2025-39844

CVE-2025-39844 relates to a Linux kernel memory-management bug where page-table synchronization was not consistently performed when vmemmap spans multiple PGD entries. The issue caused intermittent boot failures and a kernel panic (notably on 4-level paging with large persistent memory) due to a ...