thp

About this tag
The tag thp on WindowsForum.com covers discussions about Transparent Huge Pages (THP) in Linux, particularly in the context of security vulnerabilities and enterprise deployments. Recent content focuses on CVE-2025-37958, a concurrency bug in the Linux kernel's THP migration code that can cause invalid memory accesses and kernel crashes. This vulnerability affects Azure Linux images, as confirmed by Microsoft's advisory, which includes CSAF/VEX attestations. The tag is relevant for IT professionals and system administrators managing Linux workloads on Azure or other platforms where THP is enabled, and who need to track kernel security updates and migration issues.

  1. CVE-2025-37958: Linux THP Migration Bug and Azure Linux Exposure

    The Linux kernel vulnerability tracked as CVE‑2025‑37958 — described in upstream as mm/huge_memory: fix dereferencing invalid pmd migration entry — is a concurrency bug in the Transparent Huge Page (THP) migration code that can trigger invalid memory accesses and kernel crashes during certain...